checkpassword

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エラーが出たぽ †

aya@sid:~/Desktop/checkpassword-0.90$ make
./compile checkpassword.c
checkpassword.c: In function ‘main’:
checkpassword.c:33: warning: incompatible implicit declaration of built-in function ‘_exit’
checkpassword.c:39: error: ‘errno’ undeclared (first use in this function)
checkpassword.c:39: error: (Each undeclared identifier is reported only once
checkpassword.c:39: error: for each function it appears in.)
checkpassword.c:39: error: ‘error_intr’ undeclared (first use in this function)
checkpassword.c:59: error: ‘error_txtbsy’ undeclared (first use in this function)
make: *** [checkpassword.o] エラー 1

こんな時は

#ifndef ERROR_H
#define ERROR_H

#include <errno.h>　＜＝追加する

してmakeするといくよ。