prog.c: In function ‘f_1’:
prog.c:8:9: warning: implicit declaration of function ‘get_temper’ [-Wimplicit-function-declaration]
temper = get_temper();
^
prog.c:12:9: warning: implicit declaration of function ‘print_temper’ [-Wimplicit-function-declaration]
print_temper(temper);
^
prog.c: At top level:
prog.c:29:6: warning: return type of ‘main’ is not ‘int’ [-Wmain]
void main(void)
^
prog.c: In function ‘main’:
prog.c:33:9: warning: implicit declaration of function ‘f_2’ [-Wimplicit-function-declaration]
f_2(); // 圧力センサ 〃
^
prog.c:34:9: warning: implicit declaration of function ‘f_3’ [-Wimplicit-function-declaration]
f_3(); // 加速度 〃
^
/home/nyyEtL/ccsDDHdK.o: In function `f_1':
prog.c:(.text+0x29): undefined reference to `get_temper'
prog.c:(.text+0x71): undefined reference to `print_temper'
/home/nyyEtL/ccsDDHdK.o: In function `main':
prog.c:(.text.startup+0xe): undefined reference to `f_2'
prog.c:(.text.startup+0x13): undefined reference to `f_3'
collect2: error: ld returned 1 exit status