_exit Func void _exit(code) MAX MACRO ..... MAX(x, y) MIN MACRO ..... MIN(x, y) abort Func void abort(code) abs MACRO ..... abs(val) access Func short access(name, mode) atan Func float atan(fval) atof Func float atof(string) atoi Func short atoi(string) atol Func long atol(string) brk Func short brk(addr) calloc Func short *calloc(number, size) ceil Func float ceil(fval) chmod Func short chmod(name, mode) chown Func short chown (name, owner, group) clearerr MACRO void clearerr(stream) close Func short close(fd) cos Func float cos(fval) creat Func short creat(name, mode) creata Func short creata(name, mode) creatb Func short creatb(name, mode) etoa Func char *etoa(fval, buf, prec) exit Func void exit(code) exp Func float exp(fval) fabs Func float fabs(fval) fclose Func short fclose(stream) fdopen Func FILE *fdopen(fd, access) feof MACRO short feof(stream) ferror MACRO short ferror(stream) fflush Func short fflush(stream) fgetc Func short fgetc(stream) fgets Func char *fgets(s, n, stream) fileno MACRO short fileno(stream) floor Func float floor(fval) fmod Func float fmod(x, y) fopen Func FILE *fopen(name, access) fopena Func FILE *fopena(name, access) fopenb Func FILE *fopenb(name, access) fprintf Func short fprintf(stream, fmt, arg1, arg2, ..., argn) fputc Func short fputc(c, stream) fputs Func short fputs(s, stream) fread Func short fread(buff, size, nitems, stream) free Func void free(addr) freopa Func FILE *freopa(name, access, stream) freopb Func FILE *freopb(name, access, stream) freopen Func FILE *freopen(name, access, stream) fscanf Func short fscanf(stream, fmt, arg1, arg2, ..., argn) fseek Func short fseek(stream, offset, ptrname) ftell Func long ftell(stream) ftoa Func char *ftoa(fval, buf, prec) fwrite Func short fwrite(buff, size, nitems, stream) getc MACRO short getc(stream) getchar MACRO short getchar() getl Func long getl(stream) getpass Func char *getpass(prompt) getpid Func short getpid() gets Func char *gets(s) getw Func short getw(stream) index Func char *index(s, c) isalnum Func short isalnum(c) isalpha Func short isalpha(c) isascii Func short isascii(c) isatty Func short isatty(fd) iscntrl Func short iscntrl(c) isdigit Func short isdigit(c) islower Func short islower(c) isprint Func short isprint(c) ispunct Func short ispunct(c) isspace Func short isspace(c) isuppper Func short isupper(c) log Func float log(fval) longjmp Func void longjump(env, ret) lseek Func long lseek(fd, offset, ptrname) malloc Func short *malloc(size) max MACRO ..... max(x, y) min MACRO ..... min(x, y) mktemp Func char *mktemp(string) open Func short open(name, mode) opena Func short opena(name, mode) openb Func short openb(name, mode) perror Func short perror(s) pow Func float pow(fmant, fexp) printf Func short printf(fmt, arg1, arg2, ..., argn) putc MACRO short putc(c, stream) putchar MACRO short putchar() putl Func long putl(l, stream) puts Func short puts(s) putw Func short putw(w, stream) qsort Func short qsort(base, number, size, compare) rand Func short rand() read Func short read(fd, buffer, bytes) realloc Func short *realloc(addr, size) rewind Func short rewind(stream) rindex Func char *rindex(s, c) sbrk Func char *sbrk(incr) scanf Func short scanf(fmt, arg1, arg2, ..., argn) setjmp Func short setjmp(env) signal Func short signal(sig, func) sin Func float sin(fval) sinh Func float sinh(fval) sprintf Func char *sprintf(string, fmt, arg1, arg2, ..., argn) sqrt Func float sqrt(fval) srand Func short srand(seed) sscanf Func short sscanf(string, fmt, arg1, arg2, ..., argn) strcat Func char *strcat(s1, s2) strcmp Func short strcmp(s1, s2) strcpy Func char *strcpy(s1, s2) strlen Func short strlen(s) strncat Func char *strncat(s1, s2, n) strncmp Func short strncmp(s1, s2, n) strncpy Func char *strncpy(s1, s2, n) swab Func short swab(from, to, nbytes) tan Func float tan(fval) tanh Func float tanh(fval) tell Func long tell(fd) ttyname Func char *ttyname(fd) ungetc Func short ungetc(c, stream) unlink Func short unlink(name) write Func short write(fd, buffer, bytes)