.TH "strstr" 9 "strstr" "25 May 1998" "Kernel Hacker's Manual" LINUX .SH NAME strstr \- Find the first substring in a %NUL terminated string .SH SYNOPSIS .B "char *" strstr .BI "(const char *" s1 "," .BI "const char *" s2 ");" .SH ARGUMENTS .IP "s1" 12 The string to be searched .IP "s2" 12 The string to search for