putchar_unlocked(3STDC)

NAME | SYNOPSIS | API RESTRICTIONS | DESCRIPTION | STANDARDS | ATTRIBUTES | SEE ALSO

NAME

unlocked, getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked- explicit unlocking functions

SYNOPSIS

#include <stdio.h>

int getc_unlocked(FILE * stream);
int getchar_unlocked(void);
int putc_unlocked(int c, FILE * stream);
int putchar_unlocked(int c);

API RESTRICTIONS

The function or functions documented here may not be used safely in all application contexts with all APIs provided in the ChorusOS 5.0 product.

See API(5FEA) for details.

DESCRIPTION

The getc_unlocked() , getchar_unlocked() , putc_unlocked() and putchar_unlocked() are functionally identical to getc() , getchar() , putc() and putchar() functions with the exception that they are not re-entrant.

getc_unlocked() , getchar_unlocked() , and putchar_unlocked() routines are implemented as macros.

They may only safely be used within a scope protected by flockfile() (or ftrylockfile() ) and funlockedfile() .

STANDARDS

These routines conform to the POSIX.1c standards.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE	ATTRIBUTE VALUE
Interface Stability	Evolving

SEE ALSO

getc(3STDC) , getchar(3STDC) , putc(3STDC) , putchar(3STDC) , flockfile(3STDC)

NAME | SYNOPSIS | API RESTRICTIONS | DESCRIPTION | STANDARDS | ATTRIBUTES | SEE ALSO