strrchr() function in C Programming Language
Table of Content:
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"