make gcc -g -W -Wall lomount2.c -o lomount2 lomount2.c: In function `bsdoffset': lomount2.c:94: warning: implicit declaration of function `sector2buffer' lomount2.c:102: warning: unsigned int format, long unsigned int arg (arg 3) lomount2.c:103: warning: too many arguments for format lomount2.c:114: warning: control reaches end of non-void function lomount2.c: In function `sunx86offset': lomount2.c:151: warning: int format, long unsigned int arg (arg 3) lomount2.c:166: warning: unsigned int format, long unsigned int arg (arg 3) lomount2.c:182: warning: control reaches end of non-void function lomount2.c: In function `sector2buffer': lomount2.c:193: warning: implicit declaration of function `fopen64' lomount2.c: In function `loadptable': lomount2.c:346: warning: int format, long unsigned int arg (arg 4) lomount2.c: In function `main': lomount2.c:405: warning: unused variable `rc' lomount2.c:405: warning: unused variable `valid' lomount2.c:534: warning: control reaches end of non-void function ld: Undefined symbols: _fopen64 make: *** [lomount2] Error 1