c...

This section describes the following functions, macros and external variables:

• c16rtomb - convert UTF-16 character to multi-byte character
• c32rtomb - convert UTF-32 character to multi-byte character
• cabs - Absolute value of a complex number
• calloc - Reserve memory space
• cbrt, cbrtf, cbrtl - cube root
• cdisco - Deactivate a contingency routine
• ceil, ceilf, ceill - round up floating point number
• cenaco - Definition of a contingency routine
• clearerr - Clear end-of-file and error flag
• clock - CPU time used since the program call
• clock_gettime, clock_gettime64 - Get time of a specified clock
• close - Close file and flush buffer (elementary)
• cos, cosf, cosl - Cosine
• cosh, coshf, coshl - Hyperbolic cosine
• cputime - CPU time used by the current task
• creat, creat64 - Create a new file (elementary)
• cstxit, _cstxit - Definition of an STXIT routine
• ctime, ctime64 - Date and time (CET)