argp-fmtstream.c(377) : warning C4013: 'vsnprintf' undefined; assuming extern returning int argp-help.c(503) : warning C4761: integral size mismatch in argument; conversion supplied argp-help.c(909) : warning C4761: integral size mismatch in argument; conversion supplied argp-help.c(1743) : warning C4715: '_argp_short_program_name' : not all control paths return a value vsnprintf.c(571) : warning C4244: '=' : conversion from 'double ' to 'long ', possible loss of data vsnprintf.c(617) : warning C4244: '=' : conversion from 'double ' to 'long ', possible loss of data vsnprintf.c(634) : warning C4244: '-=' : conversion from 'double ' to 'long ', possible loss of data vsnprintf.c(346) : warning C4761: integral size mismatch in argument; conversion supplied vsnprintf.c(519) : warning C4761: integral size mismatch in argument; conversion supplied vsnprintf.c(673) : warning C4761: integral size mismatch in argument; conversion supplied vsnprintf.c(689) : warning C4761: integral size mismatch in argument; conversion supplied Command line warning D4024 : unrecognized source file type '..\libargp.a', object file assumed Command line warning D4024 : unrecognized source file type '..\libargp.a', object file assumed Command line warning D4024 : unrecognized source file type '..\libargp.a', object file assumed