- strcspn
-
get the length of a complementary substring
- strdup
-
duplicate a string
- strerror
-
get error message string
- strerror_r
-
See strerror.3posix
- strfmon
-
convert monetary value to a string
- strftime
-
convert date and time to a string
- strlen
-
get string length
- strncasecmp
-
See strcasecmp.3posix
- strncat
-
concatenate a string with part of another
- strncmp
-
compare part of two strings
- strncpy
-
copy part of a string
- strpbrk
-
scan a string for a byte
- strptime
-
date and time conversion
- strrchr
-
string scanning operation
- strspn
-
get length of a substring
- strstr
-
find a substring
- strtod
-
convert a string to a double-precision number
- strtof
-
See strtod.3posix
- strtoimax
-
convert string to integer type
- strtok
-
split string into tokens
- strtok_r
-
See strtok.3posix
- strtol
-
convert a string to a long integer
- strtold
-
See strtod.3posix
- strtoll
-
See strtol.3posix
- strtoul
-
convert a string to an unsigned long
- strtoull
-
See strtoul.3posix
- strtoumax
-
See strtoimax.3posix
- strxfrm
-
string transformation
- swab
-
swap bytes
- swapcontext
-
See makecontext.3posix
- swprintf
-
See wprintf.3posix
- swscanf
-
See wscanf.3posix
- symlink
-
make a symbolic link to a file
- sync
-
schedule file system updates
- sysconf
-
get configurable system variables
- syslog
-
control system log
- system
-
issue a command
- tan
-
tangent function
- tanf
-
See tan.3posix
- tanh
-
hyperbolic tangent functions
- tanhf
-
See tanh.3posix
- tanhl
-
See tanh.3posix
- tanl
-
See tan.3posix
- tcdrain
-
wait for transmission of output
- tcflow
-
suspend or restart the transmission or reception of data
- tcflush
-
flush non-transmitted output data, non-read input data,
or both
- tcgetattr
-
get the parameters associated with the terminal
- tcgetpgrp
-
get the foreground process group ID
- tcgetsid
-
get the process group ID for the session leader for the
controlling terminal
- tcsendbreak
-
send a break for a specific duration