every time i create program i have to write "clang prog.c -o prog lcs50" link with cs50 but when I try "make prog" it prints following error: /usr/bin/ld: /tmp/cc8noHLN.o: in function main': loop.c:(.text+0x19): undefined reference to get_int' collect2: error: ld returned 1 exit status make: *** [: loop] Error 1

1 Answer 1


Are you using CS50 ide ?

#include <cs50.h>

This library will only work if you use CS50 ide for compiling your code, otherwise it will not compile

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