get/set resource limits NAME getrlimit, setrlimit, prlimit - get/set resource limits LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/resource.h> int getrlimit(int …get configuration information at run time NAME sysconf - get configuration information at run time LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> long sysco…get and set user limits NAME ulimit - get and set user limits LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <ulimit.h> [[deprecated]] long ulimit(int cmd , long newli…return the canonicalized absolute pathname NAME realpath - return the canonicalized absolute pathname LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <limits.h> #includ…maximum multibyte length of a character across all locales NAME MB_LEN_MAX - maximum multibyte length of a character across all locales LIBRARY Standard C library ( libc ) SYNOPSIS…get a password NAME getpass - get a password LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> [[deprecated]] char *getpass(const char * prompt ); Feature Test…map or unmap files or devices into memory NAME mmap, munmap - map or unmap files or devices into memory LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/mman.h> voi…create a new thread NAME pthread_create - create a new thread LIBRARY POSIX threads library ( libpthread , -lpthread ) SYNOPSIS #include <pthread.h> int pthread_create(pthread_t *r…make a FIFO special file (a named pipe) NAME mkfifo, mkfifoat - make a FIFO special file (a named pipe) LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #i…make a FIFO special file (a named pipe) NAME mkfifo, mkfifoat - make a FIFO special file (a named pipe) LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #i…get configuration values for files NAME fpathconf, pathconf - get configuration values for files LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> long fpathco…get configuration values for files NAME fpathconf, pathconf - get configuration values for files LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <unistd.h> long fpathco…open a message queue NAME mq_open - open a message queue LIBRARY Real-time library ( librt , -lrt ) SYNOPSIS #include <fcntl.h> /* For O_* constants */ #include <sys/stat.h> /* For…stream open functions NAME fopen, fdopen, freopen - stream open functions LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdio.h> FILE *fopen(const char *restrict pat…stream open functions NAME fopen, fdopen, freopen - stream open functions LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdio.h> FILE *fopen(const char *restrict pat…stream open functions NAME fopen, fdopen, freopen - stream open functions LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <stdio.h> FILE *fopen(const char *restrict pat…database access methods NAME dbopen - database access methods LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <limits.h> #include <db.h> #include…database access methods NAME dbopen - database access methods LIBRARY Standard C library ( libc , -lc ) SYNOPSIS #include <sys/types.h> #include <limits.h> #include <db.h> #include…define custom behavior for printf-like functions NAME printf.h, register_printf_specifier, register_printf_modifier, register_printf_type, printf_function, printf_arginfo_size_func…define custom behavior for printf-like functions NAME printf.h, register_printf_specifier, register_printf_modifier, register_printf_type, printf_function, printf_arginfo_size_func…