vfctprintf() function

printf with output function You may use this as dynamic alternative to printf() with its fixed _putchar() output

Syntax

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Summary

Declaration

Definition

int vfctprintf(void (*out)(char character, void *arg), void *arg, const char *format, va_list va);

Implemented in printf.c:896

Argument

Declared as

Description

out

void (*)(char character, void *arg)

An output function which takes one character and an argument pointer

arg

void *

An argument pointer for user data passed to output function

format

const char *

A string that specifies the format of the output

va_list

The number of characters that are sent to the output function, not counting the terminating null character

from examples