abort(3) abort: generate a fault. abort(3f) abort: terminate abruptly with memory image. abs(3) abs: integer absolute value. access(3f) access: determine accessability of a file. alarm(3f) alarm: execute a subroutine after a specified time. assert(3x) assert: program verification. atof(3) atof, atoi, atol: convert ASCII to numbers. bessel(3f) bessel functions: of two kinds for integer orders. bit(3f) bis, bic, setbit, bit: bit set, clear, test routines. bit(3f) and, or, xor, not: bitwise functions. bit(3f) rshift, lshift: bit shifting functions. bstring(3) bcopy, bcmp, bzero: byte string operations. byteorder(3n) htonl, htons, ntohl, ntohs: convert values between host and network byte order. chdir(3f) chdir: change default directory. crypt(3) crypt, setkey, encrypt: DES encryption. ctime(3) ctime, localtime, gmtime, asctime, timezone: convert date and time to ASCII. ctype(3) isalpha, isupper, islower, isdigit, isalnum, isspace, ispunct, isprint, iscntrl, isascii: character classification. curses(3x) curses: screen functions with ``optimal'' cursor motion. dbm(3x) dbminit, fetch, store, delete, firstkey, nextkey: data base subroutines. directory(3) opendir, readdir, telldir, seekdir, rewinddir, closedir: directory operations. ecvt(3) ecvt, fcvt, gcvt: output conversion. end(3) end, etext, edata: last locations in program. etime(3f) etime, dtime: return elapsed execution time. exit(3f) exit: terminate process with status. exp(3m) exp, log, log10, pow, sqrt: exponential, logarithm, power, square root. fclose(3s) fclose, fflush: close or flush a stream. fdate(3f) fdate: return date and time in an ASCII string. ferror(3s) feof, ferror, clearerr, fileno: stream status inquiries. floor(3m) fabs, floor, ceil: absolute value, floor, ceiling functions. flush(3f) flush: flush output to a logical unit. fopen(3s) fopen, freopen, fdopen: open a stream. fork(3f) fork: create a copy of this process. fread(3s) fread, fwrite: buffered binary input/output. frexp(3) frexp, ldexp, modf: split into mantissa and exponent. fseek(3f) fseek, ftell: reposition a file on a logical unit. fseek(3s) fseek, ftell, rewind: reposition a stream. gamma(3m) gamma: log gamma function. getarg(3f) getarg, iargc: command arguments to Fortran. getc(3f) getc, fgetc: get a character from a logical unit. getc(3s) getc, getchar, fgetc, getw: get character or word from stream. getdisk(3x) getdiskbyname: get disk description by its name. getenv(3) getenv: value for environment name. getenv(3f) getenv: get value of environment variables. getfsent(3) getfsent, getfsspec, getfsfile, setfsent, endfsent: get file system descriptor file entry. getgrent(3) getgrent, getgrgid, getgrnam, setgrent, endgrent: get group file entry. gethostent(3n) gethostent, gethostbyaddr, gethostbyname, sethostent, endhostent: get network host entry. getlog(3f) getlog: get user's login name. getlogin(3) getlogin: get login name. getnetent(3n) getnetent, getnetbyaddr, getnetbyname, setnetent, endnetent: get network entry. getpass(3) getpass: read a password. getpid(3f) getpid: get process id. getprotoent(3n) getprotoent, getprotobynumber, getprotobyname, setprotoent, endprotoent: get protocol entry. getpw(3) getpw: get name from uid. getpwent(3) getpwent, getpwuid, getpwnam, setpwent, endpwent: get password file entry. gets(3s) gets, fgets: get a string from a stream. getservent(3n) getservent, getservbyport, getservbyname, setservent, endservent: get protocol entry. getuid(3f) getuid, getgid: get user or group ID of the caller. getwd(3) getwd: get current working directory pathname. hypot(3m) hypot, cabs: Euclidean distance. idate(3f) idate, itime: return date or time in numerical form. index(3f) index, rindex, lnblnk, len: tell about character objects. inet(3n) inet_addr, inet_network, inet_makeaddr, inet_lnaof, inet_netof: Internet address manipulation routines. initgroups(3) initgroups: initialize group access list. intro(3) intro: introduction to library functions. intro(3f) intro: introduction to FORTRAN library functions. intro(3j) intro: summary of job control facilities. intro(3m) intro: introduction to mathematical library functions. intro(3n) intro: introduction to network library functions. intro(3s) stdio: standard buffered input/output package. j0(3m) j0, j1, jn, y0, y1, yn: bessel functions. jobs(3j) jobs: summary of job control facilities. kill(3f) kill: send a signal to a process. l3tol(3) l3tol, ltol3: convert between 3-byte integers and long integers. link(3f) link: make a link to an existing file. loc(3f) loc: return the address of an object. malloc(3) malloc, free, realloc, calloc: main memory allocator. mktemp(3) mktemp: make a unique file name. monitor(3) monitor, monstartup: prepare execution profile. nlist(3) nlist: get entries from name list. perror(3) perror, sys_errlist, sys_nerr: system error messages. perror(3f) perror, gerror, ierrno: get system error messages. plot(3x) plot: openpl, erase, label, line, circle, arc, move, cont, point, linemod, space, closepl: graphics interface. popen(3s) popen, pclose: initiate I/O to/from a process. printf(3s) printf, fprintf, sprintf: formatted output conversion. psignal(3) psignal, sys_siglist: system signal messages. putc(3f) putc, fputc: write a character to a fortran logical unit. putc(3s) putc, putchar, fputc, putw: put character or word on a stream. puts(3s) puts, fputs: put a string on a stream. qsort(3) qsort: quicker sort. qsort(3f) qsort: quick sort. rand(3) rand, srand: random number generator. rand(3f) rand, drand, irand: return random values. random(3) random, srandom: better random number generator random(3) initstate, setstate: routines for changing generators. range(3f) flmin, flmax, dflmin, dflmax, inmax: return extreme values. rcmd(3x) rcmd, rresvport, ruserok: routines for returning a stream to a remote command. regex(3) re_comp, re_exec: regular expression handler. rexec(3x) rexec: return stream to a remote command. scandir(3) scandir: scan a directory. scanf(3s) scanf, fscanf, sscanf: formatted input conversion. setbuf(3s) setbuf, setbuffer, setlinebuf: assign buffering to a stream. setjmp(3) setjmp, longjmp: non-local goto. signal(3f) signal: change the action for a signal. signal(3j) sigset, signal, sighold, sigignore, sigrelse, sigpause: manage signals. sigset(3j) sigset, signal, sighold, sigignore, sigrelse, sigpause: manage signals. sin(3m) sin, cos, tan, asin, acos, atan, atan2: trigonometric functions. sinh(3m) sinh, cosh, tanh: hyperbolic functions. sleep(3) sleep: suspend execution for interval. sleep(3f) sleep: sleep for awhile. stat(3f) stat, fstat: get file status. stdio(3s) stdio: standard buffered input/output package. string(3) strcat, strncat, strcmp, strncmp, strcpy, strncpy, strlen, index, rindex: string operations. swab(3) swab: swap bytes. syslog(3) syslog, openlog, closelog: control system log. system(3) system: issue a shell command. system(3f) system: execute a unix command. termcap(3x) tgetent, tgetnum, tgetflag, tgetstr, tgoto, tputs: terminal independent operation routines. time(3f) time, ctime, ltime, gmtime: return system time. traper(3f) traper: trap arithmetic errors. trapov(3f) trapov: trap and repair floating point overflow. ttynam(3f) ttynam, isatty: find name of a terminal port. ttyname(3) ttyname, isatty, ttyslot: find name of a terminal. ungetc(3s) ungetc: push character back into input stream. unlink(3f) unlink: remove a directory entry. valloc(3) valloc: aligned memory allocator. varargs(3) varargs: variable argument list. wait(3f) wait: wait for a process to terminate.