Add abs function to <stdlib.h>
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@ -12,4 +12,6 @@ void free(void *ptr);
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_Noreturn void exit(int status);
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int abs(int j);
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#endif
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@ -12,3 +12,7 @@ void free(void *ptr) {
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_Noreturn void exit(int status) {
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sys_exit(status);
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}
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int abs(int i) {
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return i > 0 ? i : -i;
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}
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