C library function - strrchr()

Description

The C library function char *strrchr(const char *str, int c) searches for the last occurrence of the character c (an unsigned char) in the string pointed to by the argument str.

Declaration

Following is the declaration for strrchr() function.

char *strrchr(const char *str, int c)

Parameters

• str -- This is the C string.

• c -- This is the character to be located. It is passed as its int promotion, but it is internally converted back to char.

Return Value

This function returns a pointer to the last occurrence of character in str. If the value is not found, the function returns a null pointer.

Example

The following example shows the usage of strrchr() function.

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

int main ()
{
   int len;
   const char str[] = "http://www.tutorialspoint.com";
   const char ch = '.';
   char *ret;

   ret = strrchr(str, ch);

   printf("String after |%c| is - |%s|\n", ch, ret);
   
   return(0);
}

Let us compile and run the above program, this will produce the following result:

String after |.| is - |.com|