Write a program to memory set memset() function in C language examples?

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memset() function

              To set all bytes in a block to a particular value,by use memset() function.

     Syntax

               void *memset(void destination,int set_value,size_t count);

   Program

                   #include<stdio.h>
                    char a[100] = "God gift programming";
                   main()
                   {
                         memset(a+2,'*',10);
                  
                         printf("After memset : %s\n",a);

                    }

              Output
                            After memset :  Go**********gramming
        In this case,from a[2] position to 10 positions are overlapped with *.i.e. memset().

                           

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Write a program to memory move memmove() function in C language examples?

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 memmove() function

                   It copies the number of bytes from located pointed of source and it again copied into the located point of destination,In this case,the overlap will be occurring in the destination. i.e memmove() function.

syntax
              void *memmove(void *destination,void *source,size_t count);

 Program
            
                 #include<stdio.h>
                 main()
                 {
                       char str[] = "Programming";
             
                            memmove(str+1,str+3,4);

                     printf("After memory move  : %s\n",str);
                  }

    Output
                  After memory move :Pgramamaing

         Explanation 
                                 a[0]   1   2   3   4   5   6   7   8   9   10
                                   P     r    o   g    r    a   m  m   i   n     g
                    In memmove(str+1,str+3,4) function,from a[3] position to 4 bytes (a[6]) are copied and overlapped in destination string.So output is Pgramamaing. 

            

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Write a program to memory copy memcpy() function in C language examples?

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 memcpy() function

      It copies the bytes of data between memory blocks or buffers.This function doesn't care about the
              type of data being copied.
                    It simply makes an exact byte for byte copy.

               Syntax:- 
                               void *memcpy(void *destination,void *source,size_t count);
  Program

                  #include<stdio.h>
                  #include<string.h>
                  main()
                  {
                        char str1[100] = "This is string";
                        char str2[100];

                          memcpy(str2,str1,14);

                        printf("str2 = %s\n",str2);
                  }

       Output:-
                        str2 = This is string

     If you will give the 10 at the count(14),it copies only 10 bytes.It gives the o/p is "This is st".
 
          

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Write a program to find the sub string in the main string using in C language examples?

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 Sub string in main string

                   See this video class for the good understanding of this concept and program .

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Write a program to find the Reverse of the given string strrev() using pointers in C language examples?

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 String Reverse

      The program is for reverse the given string in destination

                            #include<stdio.h>
                            void stringReverse(char *);

                            main()
                            {
                                  char source[100];

                                    printf("Enter String\n");
                                    scanf("%[^\n]",source);

                                       stringReverse(source);

                                      printf("After Reverse the string is : %s\n",source);
                             }
                             
                               void stringReverse(char *str)

                              {
                                            int len = 0,i=0;
                                            len = strlen(str);
                                             char *t = str + len - 1;
                 
                                          while(i < len/2)

                                               {
                                                     char temp = *str;
                                                     *str = *t;
                                                      *t = temp;
                                                     *str++;
                                                      *t-- ;
                                                      i++;
                                               }
                               }

                 Output:
                               Enter String
                                 Hello World
                                After Reverse the string :dlroW olleH

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Write a program to find the copy of the given string strcpy() using pointers in C language examples?

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 String Copy

In this program,the given source string is copied into destination string.

                            #include<stdio.h>
                            void stringcopy(char *,char *);

                            main()
                            {
                                  char source[100],destination[100];

                                    printf("Enter String\n");
                                    scanf("%[^\n]",source);

                                       stringcopy(source,destination);

                                      printf("After copy the string is : %s\n",destination);
                             }
                             
                               void stringcopy(char *str1,char *str2)

                              {
                                                             
                                          while(*str1 != '\0')

                                               {
                                                     *str2 = *str1;
                                                     *str1++;
                                                      *str2++;
                                               }
                                     *str2 = '\0';
                               }

                 Output:
                               Enter String
                                 Welcome to C
                                After Copy the string : Welcome to C

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Write a program to find the length of the given string strlen() using pointers in C language examples?

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 String length

   The given program is for the find the length of the given string.

                           #include<stdio.h>
                            int stringlength(char *);

                            main()
                            {
                                  char source[100];
                                     int length;

                                    printf("Enter String\n");
                                    scanf("%[^\n]",source);

                                       length = stringlength(source);

                                      printf("The length of the string is : %d\n",length);
                             }
                             
                               int stringlength(char *str)

                              {
                                     int count = 0;
                   
                                          while(*str != '\0')

                                               {
                                                     *str++;
                                                       count++;
                                               }
                                   return count;
                               }

                 Output:
                               Enter String
                                 beonlyone
                                 The length of the string is : 9 

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Write a program to right Shift the given number using in C language examples?

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 Right Shift

               If you Right shift the given number,the given value will become half to actual value.
               Suppose the given Right shift number is 2(input),output is 1
                                                                        6(input),output is 3
                                                                        9(input),output is 4
                  
                   The above logic is blind way to remember the left shift logic.


                  #include<stdio.h>
                   main()
                   {
                         int n,ls;

                           printf("Enter number\n");
                           scanf("%d",&n);

                                ls = n >> 1;

                            printf("After Right shift : %d\n",ls);
                    }

          Output:
                       Enter the number
                              10
                        After Right shift 5

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Write a program to Left Shift the given number using in C language examples?

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Left Shift

               If you left shift the given number,the given value will become double to actual value.
               Suppose the given left shift number is 4(input),output is 8
                                                                        2(input),output is 4 
                                                                        3(input),output is 6
                  
                   The above logic is blind way to remember the left shift logic.

   Program  

                 #include<stdio.h>
                   main()
                   {
                         int n,ls;

                           printf("Enter number\n");
                           scanf("%d",&n);

                                ls = n << 1;

                            printf("After left shift : %d\n",ls);
                    }

          Output:
                       Enter the number
                             4
                        After left shift  8

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Write a program to Bit checking the given number using in C language examples?

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  Bit checking

           This is for the checking the bit or bit checking.
  
                  #include<stdio.h>
                  main()
                  {
                           int n,pos;

                           printf("Enter numbers\n");
                           scanf("%d %d",&n,&pos);

                             n=n&(1<<pos);

                            printf("After bit checking : %d\n",n);
                  }

    Output:
                     Enter numbers
                          6
                          9 
                     After bit checking 0

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Write a program to Bit toggle the given number using in C language examples?

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  Bit toggle

         The program is for the Bit toggle.
                  #include<stdio.h>
                  main()
                  {
                           int n,pos;

                           printf("Enter numbers\n");
                           scanf("%d %d",&n,&pos);

                             n=n^(1<<pos);

                            printf("After bit toggling : %d\n",n);
                  }

    Output:
                     Enter numbers
                          6
                          8 
                     After bit toggling 262

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Write a program to Bitclear the given number using in C language examples?

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Bit clear the given number

      The below program is developed for Bit clear the number        
                  #include<stdio.h>
                  main()
                  {
                           int n,pos;

                           printf("Enter numbers\n");
                           scanf("%d %d",&n,&pos);

                             n=n&(~(1<<pos));

                            printf("After bit clear : %d\n",n);
                  }

    Output:
                     Enter numbers
                          7
                          2 
                     After bit clear3

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Write a program to Bitset the given number using in C language examples?

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Bit set the given number

 The program is clear about the bit set the number

                  #include<stdio.h>
                  main()
                  {
                           int n,pos;

                           printf("Enter numbers\n");
                           scanf("%d %d",&n,&pos);

                             n=n|(1<<pos);

                            printf("After bitset : %d\n",n);
                  }

    Output:
                     Enter numbers
                          6
                          3 
                     After bitset 14

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Print the given number of in binary format using in C program language examples?

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Binary format of given number

    This one is for print the given number in binary format.
              
                #include<stdio.h>
                main()
                {
                      int n,pos;

                         printf("Enter number\n");
                         scanf("%d",&n);

                              for(pos=31;pos>=0;pos--)
                                 {
                                         if((n&(1<<pos))==0)
                                          printf("0");

                                          else
                                            printf("1");
                                  }
                }

       Output:-
                      Enter number
                             5
                       00000000000000000000000000000101

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Write a program to find the given number is prime or not using in C language examples?

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 Find the Prime number

         If a number is prime,it is divisible only with one(1) and itself(given number) is called Prime number.

                 #include<stdio.h>
                  main()
                  {
                        int n,i,c = 0;

                        printf("Enter number\n");
                        scanf("%d",&n);

                           for(i = 1; i <= n; i++ )
                             {
                                    if(n%i == 0)
                                     c++;
                              }
                         if(c == 2)
                         printf("It is Prime number\n");
                         else
                          printf("It is not a Prime number\n");
                   }

              Output:
                         1.  Enter number
                               7
                           It is a prime number

                        2. Enter number
                                 4
                             It is not a Prime number
      

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Write a program to find the factorial of the given number using in C language examples?

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Factorial of given number

   The below program is for Factorial of the given number

                      #include<stdio.h>
                      main()
                      {
                           int n,fact = 1;

                            printf("Enter number\n");
                            scanf("%d",&n)
;
                               while(n>1)
                                 {
                                       fact = fact*n;
                                          n--;
                                  }
                               printf("Factorial of given number is %d\n",fact);
                       }

             Output:
                           Enter number
                                6
                           Factorial of given number is 720
                      

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Reverse of the given number digits using in C program language examples?

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Reverse of the given number in C

       
      Program is developed at below for this logic.

                   #include<stdio.h>
                   main()
                   {
                           int n,rem,rev=0;

                                printf("Enter the number\n");
                                scanf("%d",&n);

                                  while(n>0)
                                  {
                                        rem = n%10;
                                        sum = (rev*10) + rem;
                                         n = n/10;
                                   }
                           printf("After reverse the numbers %d\n",sum);
                    }

              Output:-
                             
                                   Enter the number
                                       1234
                                    After reverse the number 4321
 

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Sum of the given number digits using in C program language examples?

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Sum of the given number in C:-


              Suppose we enter the number 1234,The sum of the 1234 is 1+2+3+4=10.
      Program is developed at below for this logic.

                   #include<stdio.h>
                   main()
                   {
                           int n,rem,sum=0;

                                printf("Enter the number\n");
                                scanf("%d",&n);

                                  while(n>0)
                                  {
                                        rem = n%10;
                                        sum = sum + rem;
                                         n = n/10;
                                   }
                           printf("After summing the numbers %d\n",sum);
                    }

              Output:-
                             
                                   Enter the number
                                       1234
                                    After summing the number 10
 

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Write a program and explanation of the fibonacci series in C language examples?

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Fibonacci series:-

            Each number is the sum of two previous numbers.The below program is for the fabonacci series.

              Give the click to clear the fibonacci series.

       
Program for Fabonacci series
          
                          #include<stdio.h>
                          main()
                          {
                                 int f,s,t;

                                 

                                   printf("Enter numbers\n");

                                   scanf("%d %d",&f,&s);

           

                                            do

                                                {

                                                      t = f+s;

                                                       printf("%d\n",t);

                                                       f = s;

                                                       s = t;

                                                 }while(t <= 50)
                           }

             Output: -
                                 Enter numbers
                                     0 1
                                 1 2 3 5 8 13 21 34 55
                    

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Write a program to find the given number is Even or Odd using C language?

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 Program to find Even or Odd

    The below program is to find the given number is Odd number or Even number.

            #include<stdio.h>
             main()
             {
                  int n;
                  
                     printf("Enter number\n");
                     scanf("%d",&n);
    
                         if(n%2 == 0)
                           printf("Given number is Even\n");

                          else
                            printf("Given number is Odd\n");

                
             }   

        Output:-
                       1.  Enter number
                              22
                          Given number is Even

                       2. Enter number

                                    22                          

                            Given number is Odd

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write a program to find the ASCII value of the given character using C language?

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 Program to find the ASCII value

     This program is for to print the given character (A,B,C..........Z or a,b,c,d,........z) of ASCII value.
         
         #include<stdio.h>
         main()
         {
               char ch;

                 printf("Enter Character\n");
                 scanf("%c",&ch);

                    if((ch> = 'a') && (ch < = 'z') || (ch >=  'A') && (ch <= 'Z'))

                             printf("%d\n",ch);
          }

         Output:-
                            Enter character
                                  a
                                97
                         

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write a program to swap the given two variables numbers without and with using third variable in C language?

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Swap the given two variables without third variable

  The below program clear about the swapping the two variables without using the third variable.

          #include<stdio.h>
                 main()
                {
                        int a=5,b=10;

                              a = a+b;
                              b = a-b;
                              a =a-b;

                     printf("After swap the given number %d  %d\n",a,b);

                 }

        Output :-
                           a = 10, b = 5 

Swap the given two variables with third variable
        
      This program is clear the swapping the given variables with using the third variable.

                 #include<stdio.h>
                 main()
                {
                        int a=20,b=10,temp;

                              temp = a;
                              a = b;
                              b = temp;

                     printf("After swap the given number %d  %d\n",a,b);

                 }

        Output :-
                           a = 10, b =20
















    

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Is it possible to write the C program without header file?

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 C program without header file

    Yes,It is possible because the file name is saved with ".c" extension (ahamad.c) it will be automatically included the header file.        .

         Eg:-     File name is ahamad.c

  

     Sample program:      

                                         main()

                                         {

                                              printf("Welcome to C");

                                          }

              The above program will compile and execute without header file because the file name is ahamad.c but don't forget to save with ".c" extension.

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What are the Compilation steps in C language?

What are the Compilation steps in C,Compilation steps in C,C compilation steps,C language compilation steps,Compilation steps in C language,Compilation in C language

Compilation steps

        We will show the compilation steps in step by step through the clear picture.The figure shows the compilation steps are including in C.

     If you want to clear about the compilation steps in C  click here
      
                    The above Figure shows the compilations steps in C

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What is the C programming language?

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C language

       C is a general purpose programmaing language.It was developed by "Dennis Ritchie"  in 1972 at  bells laboratory.C is a procedural oriented programming.C is compiled language.It is one of the most widely using programming language.In 1972 it is used in UNIX operating system,after that it is slowly spread into all operating systems.

 

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