Friday, October 2, 2020

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Strcspn function in c with example program

 Strcspn in c

Strcspn function in c programming use to find the first character in the given string that is equal to the character of the other string.
 
Strcspn function in c with example program
 Strcspn function in c with example program
 
 
Null characters are not included in this string search. 
 
strcspn function also know the end of the string with the null character (/0) 
 
This function return the index of the first character in the string.
 

Example

#include <stdio.h>
#include <string.h>
 
#define SIZE 40
 
int main(void)
{
  char string[SIZE] = "source string";
  char * substring = "alax";
 
  printf( "The first %i characters in the string \"%s\" "
          "are not in the string \"%s\" \n",
            strcspn(string, substring), string, substring);
 
}

OUTPUT

the first 10 character from string1("source string") are not in the given sting2 ("alax")

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