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ComputingCString.h

strrchr

Locate character in string
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Interface

#include <string.h>
char strrchr (const char *s, int c)

Description

The strrchr function locates the last occurrence of c (converted to a char) in the string s. If c is \0, strrchr locates the terminating \0.

Example:

Example - Locate character in string
Workings
#include <stdio.h>
#include <string.h>
int main()
{
  char s[20] = "01234560789";
  printf("The last position of '0' is %d.\n", strrchr(s, '0') - s);
  return 0;
}
Solution
Output:
The last position of '0' is 7.

Return Values

The strrchr function returns a pointer to the character, or a null pointer if c does not occur anywhere in s.

Standards

The strrchr function conforms to ISO/IEC 9899:1990 ("ISO C90").