NAME¶
fmt_plusminus - write '+' or '-'
SYNTAX¶
#include <fmt.h>
size_t
fmt_plusminus(char *
dest,signed int
source);
DESCRIPTION¶
fmt_plusminus writes '-' to
dest if
source is negative, '+' if
source is positive, nothing otherwise. It returns the number of bytes
written.
fmt_plusminus does not append \0.
If
dest equals FMT_LEN (i.e. is zero), fmt_plusminus returns the number
of bytes it would have written.
SEE ALSO¶
fmt_minus(3),
scan_plusminus(3)