gbuffer_ungetc()

`gbuffer_ungetc()`#

Pushes a single character back onto the read buffer of the given gbuffer_t instance, effectively undoing the last read operation.

C

Prototype

PUBLIC int gbuffer_ungetc(
    gbuffer_t *gbuf,
    char       c
);

Parameters

Key	Type	Description
`gbuf`	`gbuffer_t *`	Pointer to the `gbuffer_t` instance where the character will be pushed back.
`c`	`char`	The character to be pushed back onto the read buffer.

Return Value

Returns 0 on success.

Notes

If the read pointer is already at the beginning of the buffer, the function does nothing.

JS

Prototype

// Not applicable in JS

Python

Prototype

# Not applicable in Python