#include #include #include size_t confstr(int name, char *buf, size_t len) { const char *s = ""; if (!name) { s = "/usr/5bin:/usr/bin:/bin"; } else if ((name&~4U)!=1 && name-_CS_POSIX_V6_ILP32_OFF32_CFLAGS>35U) { errno = EINVAL; return 0; } // snprintf is overkill but avoid wasting code size to implement // this completely useless function and its truncation semantics return snprintf(buf, len, "%s", s) + 1; }