strchr Function

Locates the first occurrence of a specified character in a string.

Include

<string.h>

Prototype

char *strchr(const char *s, int c);

Arguments

s

pointer to the string

c

character to search for

Return Value

Returns a pointer to the location of the match if successful; otherwise, returns a null pointer.

Remarks

This function searches the string s to find the first occurrence of the character, c.

Example

#include <string.h>
#include <stdio.h>

int main(void)
{
  char buf1[50] = "What time is it?";
  char ch1 = 'm', ch2 = 'y';
  char *ptr;
  int res;

  printf("buf1 : %s\n\n", buf1);

  ptr = strchr(buf1, ch1);
if (ptr != NULL)
  {
    res = ptr - buf1 + 1;
    printf("%c found at position %d\n", ch1, res);
  }
  else
    printf("%c not found\n", ch1);
  printf("\n");

  ptr = strchr(buf1, ch2);
if (ptr != NULL)
  {
    res = ptr - buf1 + 1;
    printf("%c found at position %d\n", ch2, res);
  }
  else
    printf("%c not found\n", ch2);
}

Example Output

buf1 : What time is it?

m found at position 8

y not found