'\" t
.\"     Title: function::isdigit
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: November 2020
.\"    Manual: A collection of standard string functions
.\"    Source: SystemTap Tapset Reference
.\"  Language: English
.\"
.TH "FUNCTION::ISDIGIT" "3stap" "November 2020" "SystemTap Tapset Reference" "A collection of standard strin"
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.SH "NAME"
function::isdigit \- Checks for a digit
.SH "SYNOPSIS"
.sp
.nf
    isdigit:long(str:string)
.fi
.SH "ARGUMENTS"
.PP
\fIstr\fR
.RS 4
string to check
.RE
.SH "DESCRIPTION"
.PP
Checks for a digit (0 through 9) as the first character of a string\&. Returns non\-zero if true, and a zero if false\&.
.SH SEE ALSO\n 
.IR tapset::string (3stap)