// tutils.h// definitions for utility functions// Convert all occurrences of character c1 to c2 in string svoid StrSub(char *s, int c1, int c2);// Return the minimum of two values.template <class T>inline T Min(T x, T y){  return (x < y) ? x : y;}// return base name of a file// e.g. given "/foo/bar/file.c" return "file.c"// assumes Unix style pathnameschar *BaseName(char *path);