mappings between network interface names and indexes NAME if_nametoindex, if_indextoname - mappings between network interface names and indexes LIBRARY Standard C library ( libc , …mappings between network interface names and indexes NAME if_nametoindex, if_indextoname - mappings between network interface names and indexes LIBRARY Standard C library ( libc , …get network interface names and indexes NAME if_nameindex, if_freenameindex - get network interface names and indexes LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <n…get network interface names and indexes NAME if_nameindex, if_freenameindex - get network interface names and indexes LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <n…get directory stream file descriptor NAME dirfd - get directory stream file descriptor LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <dirent.h>…locate character in string NAME index, rindex - locate character in string LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <strings.h> [[deprecated]] char *index(const …locate character in string NAME index, rindex - locate character in string LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <strings.h> [[deprecated]] char *index(const …find the slot of the current user's terminal in some file NAME ttyslot - find the slot of the current user's terminal in some file LIBRARY Standard C library ( libc , -lc ) SYNOPSI…Parse command-line options NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options LIBRARY Standard C library ( libc , -lc ) SYNOPSI…Parse command-line options NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options LIBRARY Standard C library ( libc , -lc ) SYNOPSI…Parse command-line options NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options LIBRARY Standard C library ( libc , -lc ) SYNOPSI…Parse command-line options NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options LIBRARY Standard C library ( libc , -lc ) SYNOPSI…Parse command-line options NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options LIBRARY Standard C library ( libc , -lc ) SYNOPSI…Parse command-line options NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options LIBRARY Standard C library ( libc , -lc ) SYNOPSI…Parse command-line options NAME getopt, getopt_long, getopt_long_only, optarg, optind, opterr, optopt - Parse command-line options LIBRARY Standard C library ( libc , -lc ) SYNOPSI…macros to manipulate rtnetlink messages NAME rtnetlink - macros to manipulate rtnetlink messages LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <asm/types.h> #include …string operations NAME stpcpy, strcasecmp, strcat, strchr, strcmp, strcoll, strcpy, strcspn, strdup, strfry, strlen, strncat, strncmp, strncpy, strncasecmp, strpbrk, strrchr, strse…translate address to symbolic information NAME dladdr, dladdr1 - translate address to symbolic information LIBRARY Dynamic linking library ( libdl , -ldl ) SYNOPSIS #define _GNU_SO…translate address to symbolic information NAME dladdr, dladdr1 - translate address to symbolic information LIBRARY Dynamic linking library ( libdl , -ldl ) SYNOPSIS #define _GNU_SO…transform date and time to broken-down time or ASCII NAME asctime, ctime, gmtime, localtime, mktime, asctime_r, ctime_r, gmtime_r, localtime_r - transform date and time to broken-d…