STRSTR  STRSTR String Search Function


Usage
 
 Searches for the first occurance of one string inside another.
 The general syntax for its use is
 
    p = strstr(x,y)
 
 where x and y are two strings.  The returned integer p
 indicates the index into the string x where the substring y
 occurs.  If no instance of y is found, then p is set to
 zero.
 