crypto.c: In function ‘decipher_message’: crypto.c:253: warning: assignment makes pointer from integer without a cast crypto.c: At top level: crypto.c:299: warning: conflicting types for ‘decrypt_sed’ crypto.c:299: error: static declaration of ‘decrypt_sed’ follows non-static declaration crypto.c:245: error: previous implicit declaration of ‘decrypt_sed’ was here crypto.c:323: error: conflicting types for ‘decrypt_by_prog’ crypto.c:253: error: previous implicit declaration of ‘decrypt_by_prog’ was here crypto.c: In function ‘cipher_message’: crypto.c:411: warning: assignment makes pointer from integer without a cast crypto.c: At top level: crypto.c:467: warning: conflicting types for ‘encrypt_sed’ crypto.c:467: error: static declaration of ‘encrypt_sed’ follows non-static declaration crypto.c:403: error: previous implicit declaration of ‘encrypt_sed’ was here crypto.c:491: error: conflicting types for ‘encrypt_by_prog’ crypto.c:411: error: previous implicit declaration of ‘encrypt_by_prog’ was here make[1]: *** [crypto.o] Error 1 make[1]: Leaving directory `/home/maitham/epic5-0.3.1/source' make: *** [epic5] Error 2