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.TH scan_plusminus 3
.SH NAME
scan_plusminus \- parse '+' or '-'
.SH SYNTAX
.B #include <libowfat/scan.h>
size_t \fBscan_plusminus\fP(const char *\fIsrc\fR,int *\fIdest\fR);
.SH DESCRIPTION
scan_plusminus parses an ASCII '+' or '-' sign from \fIsrc\fR, sets
\fIdest\fR 1 or -1, respectively, and returns 1.
If neither is found, '+' is assumed and 0 is returned.