gcc -g -O2 -Wall -W -Wbad-function-cast -Wcast-align -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wfloat-equal -pipe    test-sigjmp.c   -o test-sigjmp
test-sigjmp.c:70:22: linkansi.h: No such file or directory
test-sigjmp.c:71:20: unused.h: No such file or directory
test-sigjmp.c:78: warning: parameter names (without types) in function declaration
test-sigjmp.c: In function `my_sighandler':
test-sigjmp.c:78: warning: unused parameter `UNUSED'
test-sigjmp.c: In function `main':
test-sigjmp.c:92: storage size of `timeout' isn't known
test-sigjmp.c:112: warning: implicit declaration of function `link_ansi'
test-sigjmp.c:142: warning: passing arg 2 of `signal' from incompatible pointer type
test-sigjmp.c:159: warning: implicit declaration of function `select'
test-sigjmp.c:92: warning: unused variable `timeout'
make: *** [test-sigjmp] Error 1