#include "config.h" #include #include /** * bitops - bit counting routines * * These offer convenience wrappers around (and, as necessary, * replacements for) the builtin bit testing/counting routines. * * Example: * #include * #include * * int main(int argc, char *argv[]) * { * unsigned int v = atoi(argv[1]); * * printf("Number of 1 bits: %i\n", bitops_weight32(v)); * if (v != 0) { * printf("Least-significant set bit: %i\n", bitops_ls32(v)); * printf("Most-significant set bit: %i\n", bitops_hs32(v)); * printf("Least-significant clear bit: %i\n", bitops_lc32(v)); * printf("Most-significant clear bit: %i\n", bitops_hc32(v)); * } * return 0; * } * * License: CC0 (Public Domain) * Author: Rusty Russell */ int main(int argc, char *argv[]) { /* Expect exactly one argument */ if (argc != 2) return 1; if (strcmp(argv[1], "depends") == 0) { return 0; } return 1; }