C Tutorial/string.h/strrchr

strrchr

Item Value Header file string.h Declaration char *strrchr(const char *str, int ch); Return returns a pointer to the last occurrence of ch in *str.

If no match is found, a null pointer is returned.

<source lang="cpp">#include <string.h>

 #include <stdio.h>
 int main(void){
   char *p;
   p = strrchr("this is a test", "i");
   printf(p);
   return 0;
 }</source>

Using strchr

<source lang="cpp">#include <stdio.h>

1. include <string.h>

int main() {

  const char *string = "This is a test";
  char character1 = "a";
  char character2 = "z";
  
  if ( strchr( string, character1 ) != NULL ) {
     printf( "\"%c\" was found in \"%s\".\n", 
        character1, string );
  } else { 
     printf( "\"%c\" was not found in \"%s\".\n", 
        character1, string );
  }
  if ( strchr( string, character2 ) != NULL ) {
     printf( "\"%c\" was found in \"%s\".\n", 
        character2, string );
  } else { 
     printf( "\"%c\" was not found in \"%s\".\n", 
        character2, string );
  } 
  return 0;

}</source>

"a" was found in "This is a test".
"z" was not found in "This is a test".