Section 2
- cacheflush · flush contents of instruction and/or data cache
- cachestat · query the page cache statistics of a file
- CanvPsY · utility procedures for generating Postscript for canvases
- CanvTkwin · utility procedures for canvas type managers
- CanvTxtInf · additional information for managing text items in canvases
- cap_enter · Capability mode system calls
- cap_fcntls_get · manage allowed fcntl commands
- cap_fcntls_limit · manage allowed fcntl commands
- cap_getmode · Capability mode system calls
- cap_ioctls_get · manage allowed ioctl commands
- cap_ioctls_limit · manage allowed ioctl commands
- cap_rights_limit · limit capability rights
- capget · set/get capabilities of thread(s)
- capset · set/get capabilities of thread(s)
- chdir · change working directory
- chflags · set file flags
- chflagsat · set file flags
- chmod · change permissions of a file
- chown · change ownership of a file
- chown32 · change ownership of a file
- chroot · change root directory
- chsid · change security identifier of a file
- chsidfs · change SID of a file system
- Clipbrd · Manage the clipboard
- clock_adjtime · tune kernel clock
- clock_getres · clock and time functions
- clock_gettime · clock and time functions
- clock_nanosleep · high-resolution sleep with specifiable clock
- clock_settime · clock and time functions
- clone · create a child process
- clone2 · create a child process
- clone3 · create a child process
- clonefile · create copy on write clones of files
- clonefileat · create copy on write clones of files
- close · close a file descriptor
- close_range · close all file descriptors in a given range
- closefrom · delete open file descriptors
- ClrSelect · Deselect a selection
- CnfgWidg · process configuration options for widgets
- CnfgWind · change window configuration or attributes
- connect · initiate a connection on a socket
- connectat · initiate a connection on a socket
- connectx · initiate a connection on a socket
- CoordToWin · Find window containing a point
- copy_file_range · Copy a range of data from one file to another
- cpuset · manage CPU affinity sets
- cpuset_getaffinity · manage CPU affinity
- cpuset_getdomain · manage memory domain policy
- cpuset_getid · manage CPU affinity sets
- cpuset_setaffinity · manage CPU affinity
- cpuset_setdomain · manage memory domain policy
- cpuset_setid · manage CPU affinity sets
- creat · open and possibly create a file
- create_module · create a loadable module entry
- CrtErrHdlr · handle X protocol errors
- CrtGenHdlr · associate procedure callback with all X events
- CrtImgTyp · define new kind of image
- CrtItemTyp · define new kind of canvas item
- CrtMainWin · create or delete window
- CrtPhImgFm · define new file format for photo images
- CrtSelHdlr · arrange to handle requests for a selection