strrchr

 

C

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Strings library

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Null-terminated byte strings

Functions
Character manipulation
isalnum isalpha islower isupper isdigit isxdigit isblank (C++11)	iscntrl isgraph isspace isprint ispunct tolower toupper
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atof atoi atol atoll strtol strtoll	strtoul strtoull strtof strtod strtold
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strlen strcmp strncmp strcoll strchr strrchr	strspn strcspn strpbrk strstr strtok
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memchr
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Defined in header <string.h>
const char *strrchr( const char *str, int ch );
char *strrchr(       char *str, int ch );

Finds the last occurrence of the character ch in the byte string pointed to by str.

Parameters

str	-	pointer to the null-terminated byte string to be analyzed
ch	-	character to search for

Return value

Pointer to the found character in str, or NULL if no such character is found.

Example

#include <string.h>
#include <stdio.h>
 
int main()
{
    char szSomeFileName[] = "foo/bar/foobar.txt";
    char *pLastSlash = strrchr(szSomeFileName, '/');
    char *pszBaseName = pLastSlash ? pLastSlash + 1 : szSomeFileName;
    printf("Base Name: %s", pszBaseName);
}

Output:

Base Name: foobar.txt

See also

strchr	finds the first occurrence of a character (function)
strpbrk	finds the first location of any character in one string, in another string (function)