- casinhf
- casinhl
- casinl
- catan
- catanf
- catanh
- catanhf
- catanhl
- catanl
- catclose
- catgets
- catopen
- cbc_crypt
- cbrt
- cbrtf
- cbrtl
- ccos
- ccosf
- ccosh
- ccoshf
- ccoshl
- ccosl
- ceil
- ceilf
- ceill
- cexp
- cexp2
- cexp2f
- cexp2l
- cexpf
- cexpl
- cfree
- cimag
- cimagf
- cimagl
- clearenv
- clearerr
- clock
- clock_getcpuclockid
- clog
- clog10
- clog10f
- clog10l
- clog2
- clog2f
- clog2l
- clogf
- clogl
- closedir
- closelog
- CMSG_ALIGN
- CMSG_FIRSTHDR
- CMSG_NXTHDR
- CMSG_SPACE
- confstr
- conj
- conjf
- conjl
- copysign
- copysignf
- copysignl
- cos
- cosf
- cosh
- coshf
- coshl
- cosl
- cpow
- cpowf
- cpowl
MAN (3)
Функции стандартной библиотеки С