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C (continued)

ceil(3)ceiling function: smallest integral value not less than argument✨
ceilf(3)ceiling function: smallest integral value not less than argument✨
ceill(3)ceiling function: smallest integral value not less than argument✨
cexp(3)complex exponential function✨
cexp2(3)base-2 exponent of a complex number✨
cexp2f(3)base-2 exponent of a complex number✨
cexp2l(3)base-2 exponent of a complex number✨
cexpf(3)complex exponential function✨
cexpl(3)complex exponential function✨
cfgetispeed(3)get and set line speed✨
cfgetospeed(3)get and set line speed✨
cfmakeraw(3)set terminal raw mode✨
cfree(3)free allocated memory✨
cfsetispeed(3)get and set line speed✨
cfsetospeed(3)get and set line speed✨
cfsetspeed(3)get and set line speed✨
chdir(2)change working directory✨
chmod(2)change permissions of a file✨
chown(2)change ownership of a file✨
chown32(2)change ownership of a file✨
chroot(2)change root directory✨
cimag(3)get imaginary part of a complex number✨
cimagf(3)get imaginary part of a complex number✨
cimagl(3)get imaginary part of a complex number✨
circleq(3)implementation of a doubly linked circular queue✨
CIRCLEQ_EMPTY(3)implementation of a doubly linked circular queue✨
CIRCLEQ_ENTRY(3)implementation of a doubly linked circular queue✨
CIRCLEQ_FIRST(3)implementation of a doubly linked circular queue✨
CIRCLEQ_FOREACH(3)implementation of a doubly linked circular queue✨
CIRCLEQ_FOREACH_REVERSE(3)implementation of a doubly linked circular queue✨
CIRCLEQ_HEAD(3)implementation of a doubly linked circular queue✨
CIRCLEQ_HEAD_INITIALIZER(3)implementation of a doubly linked circular queue✨
CIRCLEQ_INIT(3)implementation of a doubly linked circular queue✨
CIRCLEQ_INSERT_AFTER(3)implementation of a doubly linked circular queue✨
CIRCLEQ_INSERT_BEFORE(3)implementation of a doubly linked circular queue✨
CIRCLEQ_INSERT_HEAD(3)implementation of a doubly linked circular queue✨
CIRCLEQ_INSERT_TAIL(3)implementation of a doubly linked circular queue✨
CIRCLEQ_LAST(3)implementation of a doubly linked circular queue✨
CIRCLEQ_LOOP_NEXT(3)implementation of a doubly linked circular queue✨
CIRCLEQ_LOOP_PREV(3)implementation of a doubly linked circular queue✨
CIRCLEQ_NEXT(3)implementation of a doubly linked circular queue✨
CIRCLEQ_PREV(3)implementation of a doubly linked circular queue✨
CIRCLEQ_REMOVE(3)implementation of a doubly linked circular queue✨
clearenv(3)clear the environment✨
clearerr(3)check and reset stream status✨
clearerr_unlocked(3)nonlocking stdio functions✨
clnt_broadcast(3)library routines for remote procedure calls✨
clnt_call(3)library routines for remote procedure calls✨
clnt_control(3)library routines for remote procedure calls✨
clnt_create(3)library routines for remote procedure calls✨
clnt_destroy(3)library routines for remote procedure calls✨
clnt_freeres(3)library routines for remote procedure calls✨
clnt_geterr(3)library routines for remote procedure calls✨
clnt_pcreateerror(3)library routines for remote procedure calls✨
clnt_perrno(3)library routines for remote procedure calls✨
clnt_perror(3)library routines for remote procedure calls✨
clnt_spcreateerror(3)library routines for remote procedure calls✨
clnt_sperrno(3)library routines for remote procedure calls✨
clnt_sperror(3)library routines for remote procedure calls✨
clntraw_create(3)library routines for remote procedure calls✨
clnttcp_create(3)library routines for remote procedure calls✨
clntudp_bufcreate(3)library routines for remote procedure calls✨
clntudp_create(3)library routines for remote procedure calls✨
clock(3)determine processor time✨
clock_adjtime(2)tune kernel clock✨
clock_getcpuclockid(3)obtain ID of a process CPU-time clock✨
clock_getres(2)clock and time functions✨
clock_gettime(2)clock and time functions✨
clock_nanosleep(2)high-resolution sleep with specifiable clock✨
clock_settime(2)clock and time functions✨
clock_t(3type)system time✨
clockid_t(3type)clock ID for the clock and timer functions✨
clog(3)natural logarithm of a complex number✨
clog10(3)base-10 logarithm of a complex number✨
clog10f(3)base-10 logarithm of a complex number✨
clog10l(3)base-10 logarithm of a complex number✨
clog2(3)base-2 logarithm of a complex number✨
clog2f(3)base-2 logarithm of a complex number✨
clog2l(3)base-2 logarithm of a complex number✨
clogf(3)natural logarithm of a complex number✨
clogl(3)natural logarithm of a complex number✨
clone(2)create a child process✨
clone2(2)create a child process✨
clone3(2)create a child process✨
close(2)close a file descriptor✨
close_range(2)close all file descriptors in a given range✨
closedir(3)close a directory✨
closelog(3)send messages to the system logger✨
cmsg(3)access ancillary data✨
CMSG_ALIGN(3)access ancillary data✨
CMSG_DATA(3)access ancillary data✨
CMSG_FIRSTHDR(3)access ancillary data✨
CMSG_LEN(3)access ancillary data✨
CMSG_NXTHDR(3)access ancillary data✨
CMSG_SPACE(3)access ancillary data✨
confstr(3)get configuration dependent string variables✨
conj(3)calculate the complex conjugate✨
conjf(3)calculate the complex conjugate✨
conjl(3)calculate the complex conjugate✨
connect(2)initiate a connection on a socket✨
console_ioctl(4)ioctls for console terminal and virtual consoles✨
copy_file_range(2)Copy a range of data from one file to another✨
copysign(3)copy sign of a number✨
copysignf(3)copy sign of a number✨
copysignl(3)copy sign of a number✨
cos(3)cosine function✨
cosf(3)cosine function✨
cosh(3)hyperbolic cosine function✨
coshf(3)hyperbolic cosine function✨
coshl(3)hyperbolic cosine function✨
cosl(3)cosine function✨
countof(3)count the number of elements in an array✨
cpow(3)complex power function✨
cpowf(3)complex power function✨
cpowl(3)complex power function✨
cproj(3)project into Riemann Sphere✨
cprojf(3)project into Riemann Sphere✨
cprojl(3)project into Riemann Sphere✨
CPU_ALLOC(3)macros for manipulating CPU sets✨
CPU_ALLOC_SIZE(3)macros for manipulating CPU sets✨
CPU_AND(3)macros for manipulating CPU sets✨
CPU_AND_S(3)macros for manipulating CPU sets✨
CPU_CLR(3)macros for manipulating CPU sets✨
CPU_CLR_S(3)macros for manipulating CPU sets✨
CPU_COUNT(3)macros for manipulating CPU sets✨
CPU_COUNT_S(3)macros for manipulating CPU sets✨
CPU_EQUAL(3)macros for manipulating CPU sets✨
CPU_EQUAL_S(3)macros for manipulating CPU sets✨
CPU_FREE(3)macros for manipulating CPU sets✨
CPU_ISSET(3)macros for manipulating CPU sets✨
CPU_ISSET_S(3)macros for manipulating CPU sets✨
CPU_OR(3)macros for manipulating CPU sets✨
CPU_OR_S(3)macros for manipulating CPU sets✨
CPU_SET(3)macros for manipulating CPU sets✨
CPU_SET_S(3)macros for manipulating CPU sets✨
CPU_XOR(3)macros for manipulating CPU sets✨
CPU_XOR_S(3)macros for manipulating CPU sets✨
CPU_ZERO(3)macros for manipulating CPU sets✨
CPU_ZERO_S(3)macros for manipulating CPU sets✨
creal(3)get real part of a complex number✨
crealf(3)get real part of a complex number✨
creall(3)get real part of a complex number✨
creat(2)open and possibly create a file✨
create_module(2)create a loadable module entry✨
csin(3)complex sine function✨
csinf(3)complex sine function✨
csinh(3)complex hyperbolic sine✨
csinhf(3)complex hyperbolic sine✨
csinhl(3)complex hyperbolic sine✨
csinl(3)complex sine function✨
csqrt(3)complex square root✨
csqrtf(3)complex square root✨
csqrtl(3)complex square root✨
ctan(3)complex tangent function✨
ctanf(3)complex tangent function✨
ctanh(3)complex hyperbolic tangent✨
ctanhf(3)complex hyperbolic tangent✨
ctanhl(3)complex hyperbolic tangent✨
ctanl(3)complex tangent function✨
ctermid(3)get controlling terminal name✨
ctime(3)transform date and time to broken-down time or ASCII✨
ctime_r(3)transform date and time to broken-down time or ASCII✨
cuserid(3)get username✨

D

daemon(3)run in the background✨
daylight(3)initialize time conversion information✨
db(3)database access methods✨
dbopen(3)database access methods✨
delete_module(2)unload a kernel module✨
des_crypt(3)fast DES encryption✨
DES_FAILED(3)fast DES encryption✨
des_setparity(3)fast DES encryption✨
dev_t(3type)device ID✨
difftime(3)calculate time difference✨
dirfd(3)get directory stream file descriptor✨
dirname(3)parse pathname components✨
div(3)compute quotient and remainder of an integer division✨
div_t(3type)quotient and remainder of an integer division✨
dl_iterate_phdr(3)walk through list of shared objects✨
dladdr(3)translate address to symbolic information✨
dladdr1(3)translate address to symbolic information✨
dlclose(3)open and close a shared object✨
dlerror(3)obtain error diagnostic for functions in the dlopen API✨
dlinfo(3)obtain information about a dynamically loaded object✨
dlmopen(3)open and close a shared object✨
dlopen(3)open and close a shared object✨
dlsym(3)obtain address of a symbol in a shared object or executable✨
dlvsym(3)obtain address of a symbol in a shared object or executable✨
dn_comp(3)resolver routines✨
dn_expand(3)resolver routines✨
double_t(3type)most efficient floating types✨
dprintf(3)formatted output conversion✨
dqblk(2type)disk quota block✨
dqinfo(2type)disk quota information✨
drand48(3)generate uniformly distributed pseudo-random numbers✨
drand48_r(3)generate uniformly distributed pseudo- random numbers reentrantly✨
drem(3)floating-point remainder function✨
dremf(3)floating-point remainder function✨
dreml(3)floating-point remainder function✨
dup(2)duplicate a file descriptor✨
dup2(2)duplicate a file descriptor✨