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strrchr() function in C returns pointer to the last occurrence of the character in a given string. Syntax for strrchr( ) function is given below.

Syntax

char *strrchr(const char *str, int ch);

Returns

The strrchr() function returns a pointer to the last occurrence of the low-order byte of ch in the string pointed to by str. If no match is found, a null pointer is returned.

Program 1

#include 
#include 
int main(void)
{
char *p;
p = strrchr("this is a test", 'i');
printf(p);
return 0;
}

Output

is a test 

Program 2

In this program, strrchr( ) function is used to locate last occurrence of the character 'i' in the string "This is a string for testing". Last occurrence of character 'i' is located at position 26 and pointer is returned at last occurrence of the character 'i'.

#include 
#include 
int main ()
{
  char string[55] ="This is a string for testing";
  char *p;
  p = strrchr (string,'i');
 
  printf ("Character i is found at position %d\n",p-string+1);
  printf ("Last occurrence of character \"i\" in \"%s\" is" \
           " \"%s\"",string, p);
 
   return 0;
}

Output

Character i is found at position 26
Last occurrence of character "i" in "This is a string for testing" is "ing" 

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