HelenOS sources

_read_num        1331 common/printf/printf_core.c 			width = _read_num(fmt, &nxt);
_read_num        1345 common/printf/printf_core.c 				precision = _read_num(fmt, &nxt);
_read_num        1331 kernel/generic/common/printf/printf_core.c 			width = _read_num(fmt, &nxt);
_read_num        1345 kernel/generic/common/printf/printf_core.c 				precision = _read_num(fmt, &nxt);
_read_num        1331 uspace/lib/c/common/printf/printf_core.c 			width = _read_num(fmt, &nxt);
_read_num        1345 uspace/lib/c/common/printf/printf_core.c 				precision = _read_num(fmt, &nxt);
HelenOS homepage, sources at GitHub