Eroare de compilare: user.c:1: warning: ignoring #pragma option user.c:3:17: error: dos.h: No such file or directory user.c:12: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘w1’ user.c:16: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token user.c:41: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token user.c:55: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token user.c: In function ‘main’: user.c:86: warning: implicit declaration of function ‘init’ user.c:86: error: ‘w1’ undeclared (first use in this function) user.c:86: error: (Each undeclared identifier is reported only once user.c:86: error: for each function it appears in.) user.c:87: error: ‘w2’ undeclared (first use in this function) user.c:89: warning: implicit declaration of function ‘extract’ user.c:80: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:82: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result user.c: At top level: user.c:108: warning: ignoring #pragma option user.c:115: error: redefinition of ‘struct workspace’ user.c:119: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘w1’ user.c:123: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token user.c:136: error: redefinition of ‘calc’ user.c:29: note: previous definition of ‘calc’ was here user.c:148: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token user.c:162: error: expected ‘;’, ‘,’ or ‘)’ before ‘*’ token user.c:182: error: redefinition of ‘main’ user.c:75: note: previous definition of ‘main’ was here user.c: In function ‘main’: user.c:193: error: ‘w1’ undeclared (first use in this function) user.c:194: error: ‘w2’ undeclared (first use in this function) user.c:187: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result user.c:189: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result