---
name: "RkShorten"
section: "3"
platform: "linux"
package: "libcanna1g-dev"
version: "3.7p3-25"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/RkShorten"
---

# RkShorten(3)

shorten the reading of the current clause

## NAME

***RkShorten*** - shorten the reading of the current clause

## SYNOPSIS

```
#include <canna/RK.h>
int RkShorten(cxnum)
int cxnum;
```

## DESCRIPTION

*RkShorten* shortens the reading of the current clause.  It does nothing when the reading length is reduced to 0.

## RETURN VALUE

This function returns the number of clauses after the change.