.TH "strspn" 9 "strspn" "25 May 1998" "Kernel Hacker's Manual" LINUX .SH NAME strspn \- Calculate the length of the initial substring of @s which only .SH SYNOPSIS .B "size_t" strspn .BI "(const char *" s "," .BI "const char *" accept ");" .SH ARGUMENTS .IP "s" 12 The string to be searched .IP "accept" 12 The string to search for .SH "DESCRIPTION" contain letters in \fIaccept\fP