C Programming/string.h/strrchr
< C Programming | string.h
(Redirected from C Programming/C Reference/string.h/strrchr)strrchr is function in string.h.[1] It is mainly used to locate last occurrence of character in string, searching from the end. It returns a pointer to the last occurrence of character in the C string str. The terminating null-character is considered part of the C string. Therefore, it can also be located to retrieve a pointer to the end of a string.
Syntax[edit | edit source]
In C, this function is declared as:
char *strrchr ( const char *, int );
str is a C string. character is the character to be located. It is passed as its int promotion, but it is internally converted back to char.
Return value[edit | edit source]
A pointer to the last occurrence of character in str. If the value is not found, the function returns a null pointer.
Example[edit | edit source]
#include <stdio.h>
#include <string.h>
int main(void)
{
const char *str = "This is a sample string";
char *pch = strrchr(str, 's');
printf("Last occurrence of 's' found at %d\n", pch - str + 1);
return 0;
}
Output : Last occurrence of 's' found at 18.
See also[edit | edit source]
References[edit | edit source]
- ↑ ISO/IEC 9899:1999 specification (PDF). p. 343, § 7.12.4.3.