.\" openfwtk project: isalldigits.3 1-Nov-2000 .TH isalldigits 3 .SH NAME isalldigits() \- a frontend to isdigit() function for a string .SH SYNOPSIS .nf #include "fwfunc.h" .fi .sp int \fBisalldigits\fP(char *s) .SH DESCRIPTION .PP checks if the string \fIs\fP is all-digit .SH RETURN VALUES returns 0 if the string is empty or not consisting of digits, non-zero otherwise. .SH SEE ALSO isdigit(3) .SH HISTORY present in fwtk since v1