---
name: "strrtrim"
section: "3pub"
platform: "linux"
package: "publib-dev"
version: "0.40-4"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/strrtrim"
---

# strrtrim(3pub)

remove trailing whitespace

## NAME

strrtrim - remove trailing whitespace

## SYNOPSIS

```
#include <publib.h>
char *strrtrim(char *s);
```

## DESCRIPTION

*strrtrim* removes all trailing whitespace characters from the end of a string.  As whitespace is counted everything for which [*isspace*(3)](/isspace/3.md) returns true.

## RETURN VALUE

*strltrim* returns its argument.

## EXAMPLE

To remove whitespace from the end of all lines, you might do the following:

```
#include <publib.h>
int main(void) {
	char line[512];
	while (fgets(line, sizeof(line), stdio) != NULL) {
		strrtrim(line);
		printf("%s", line);
	}
	return 0;
}
```

## SEE ALSO

publib(3), strtrim(3), strltrim(3), [isspace(3)](/isspace/3.md)

## AUTHOR

Lars Wirzenius (lars.wirzenius@helsinki.fi)