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Hello guys, I'd like to use ioperm functions under Cygwin 1.5.18 ( 0.132/4/2 ). First I have tried to compile my C code ( below ) on Cygwin. P.S: It works on Linux. #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/io.h> int main( void ) { unsigned char Value; ioperm(0x378, 3, 1); Value = inb(0x378+1); ioperm(0x378, 3, 0); printf("Status Parallel Port -> 0x%x\n", Value ); return 0; } Trying compile... $ gcc -o io io.c -Wall /cygdrive/c/DOCUME~1/t00707/CONFIG~1/Temp/ccKOfTff.o:io.c:(.text+0x42): undefined reference to `_ioperm' /cygdrive/c/DOCUME~1/t00707/CONFIG~1/Temp/ccKOfTff.o:io.c:(.text+0x6d): undefined reference to `_ioperm' collect2: ld returned 1 exit status Maybe I need install ioperm package? I have tried it too. $ ioperm -i OpenSCManager function call failed. Error: ioperm.sys installation failed. and then.. $ ioperm.sys bash: /usr/bin/ioperm.sys: Permission denied Does anybody can help me ? Best Regards, Douglas Schilling Landgraf
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