{The S-lang C Library Reference}: SLang_ungetkey

Next Previous Contents

## 114. SLang_ungetkey

Synopsis

  Push a character back onto the input buffer

Usage

  `int SLang_ungetkey (unsigned char ch)`

Description

  `SLang_ungetkey` pushes the character `ch` back onto the `SLgetkey` input stream. Upon success, it returns zero, otherwise it returns `1`.

Example

  This function is implemented as:

  > `

  >         int SLang_ungetkey (unsigned char ch)
  >         {
  >            return SLang_ungetkey_string(&ch, 1);
  >         }

  > `

See Also

  `SLang_getkey, SLang_ungetkey_string`

Next Previous Contents