Learn C, C++ Programming

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• strrstr( ) function returns pointer to the last occurrence of the string in a given string. Syntax for strrstr( ) function is given below.

char *strrstr(const char *str1, const char *str2);

• strrstr( ) function is non standard function which may not available in standard library in C.

……

Example program for strrstr() function in C:

• In this program, strrstr( ) function is used to locate last occurrence of the string “test” in the string ”This is a test string for testing”. Pointer is returned at last occurrence of the string “test”.

#include <stdio.h>
#include <string.h>
int main ()
{
  char string[55] ="This is a test string for testing";
  char *p;
  p = strrstr (string,"test");
  if(p)
  {
    printf("string foundn" );
    printf ("Last occurrence of string "test" in "%s" is"
           " "%s"",string, p);
  }
  else printf("string not foundn" );
   return 0;
}

Output:

Other C String functions:

• String.h header file supports all the string functions in C language. All the string functions are given below.
• Click on each string function name below to display example programs.

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