HelpPC 2.10	Quick Reference Utility	Copyright 1991 David Jurgens
int chdir( const char *path )        - prototype in dir.h        - changes current working directory to path.        - returns 0 if OK; else -1 with errno set to ENOENT
Esc or Alt-X to exit	chdir	Home/PgUp/PgDn/End ←↑↓→