gcc vanish2.c -o vanish2
vanish2.c: In function 'fixer':
vanish2.c:110: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:166: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:169: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:178: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:181: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:184: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:187: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c: In function 'main':
vanish2.c:215: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:215: error: too few arguments to function 'exit'
vanish2.c:222: warning: incompatible implicit declaration of built-in function 'strcpy'
vanish2.c:228: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:228: error: too few arguments to function 'exit'
vanish2.c:233: warning: incompatible implicit declaration of built-in function 'strlen'
vanish2.c:234: warning: incompatible implicit declaration of built-in function 'memset'
vanish2.c:251: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:251: error: too few arguments to function 'exit'
vanish2.c:257: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:257: error: too few arguments to function 'exit'
vanish2.c:261: warning: incompatible implicit declaration of built-in function 'strlen'
vanish2.c:282: warning: incompatible implicit declaration of built-in function 'exit'
vanish2.c:282: error: too few arguments to function 'exit'
vanish2.c:289: warning: incompatible implicit declaration of built-in function 'strncpy'
vanish2.c:321: warning: incompatible implicit declaration of built-in function 'strstr'

как полечить не скажете?

система:
Linux 2.6.22.9-91.0.120asp #1 SMP Tue Oct 2 00:17:42 EEST 2007 i686 i686 i386 GNU/Linux