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.TH fmt_minus 3
fmt_minus \- write '-' for negative integers
.B #include <fmt.h>
unsigned int \fBfmt_minus\fP(char *\fIdest\fR,signed int \fIsource\fR);
fmt_minus writes '-' if \fIsource\fR is negative, nothing otherwise. It
returns the number of bytes written.
fmt_minus does not append \\0.
If \fIdest\fR equals FMT_LEN (i.e. is zero), fmt_minus returns the number
of bytes it would have written.
fmt_plusminus(3), scan_plusminus(3)