Guardian C Library Calls Reference Manual

Reference to Library Calls

Guardian TNS C Library Calls Reference Manual—128833 3-209

strstr

The strstr function searches a string for the first occurrence of a given substring.

str

points to the string to search.

substr

points to the substring to search for.

Return Value

points to the first occurrence in *str of *substr. If the string does not contain the

substring, strstr returns the pointer value NULL. If the length of *substr is zero,

strstr returns str.

Usage Guidelines

•

The strstr function does not include the null character terminating *substr as part of

the substring to search for.

#include <stringh>

char *strstr(const char *str, const char *substr);