| "<fcntl.h>": |
| - prototype: "int open(const char *, int, mode_t)" |
| comment: "Opens a file." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/open.html" |
| error_value: "-1" |
| - prototype: "int openat(int, const char *, int, mode_t)" |
| comment: "Opens a file relative to a file descriptor." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/openat.html" |
| error_value: "-1" |
| "<stdio.h>": |
| - prototype: "int rename(const char *, const char *)" |
| comment: "Renames a file." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/rename.html" |
| "<stdlib.h>": |
| - prototype: "char * getenv(const char *)" |
| comment: "Gets the value of an environment variable." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/getenv.html" |
| "<string.h>": |
| - prototype: "char *mkdtemp(char *)" |
| comment: "Create a temporary directory." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/mkdtemp.html" |
| - prototype: "char *strerror(int)" |
| comment: "Formats an error code as a string." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/strerror.html" |
| "<sys/mman.h>": |
| - prototype: "int mlock(const void *, size_t)" |
| comment: "Locks a range of process address space." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/mlock.html" |
| error_value: "-1" |
| - prototype: "int mlockall(int)" |
| comment: "Locks the processes address space." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/mlockall.html" |
| - prototype: "void *mmap(void *, size_t, int, int, int, off_t)" |
| comment: "Maps pages of memory." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/mmap.html" |
| error_value: "MAP_FAILED" |
| - prototype: "int mprotect(void *, size_t, int)" |
| comment: "Sets the protection of mapped memory." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/mprotect.html" |
| error_value: "-1" |
| - prototype: "int munlock(const void *, size_t)" |
| comment: Unlocks a range of process address space." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/munlock.html" |
| error_value: "-1" |
| - prototype: "int munmap(void *, size_t)" |
| comment: "Unmaps pages of memory." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/munmap.html" |
| error_value: "-1" |
| "<sys/stat.h>": |
| - prototype: "int chmod(const char *, mode_t)" |
| comment: "Changes the mode of a file." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/chmod.html" |
| error_value: "-1" |
| - prototype: "int mkdir(const char *, mode_t)" |
| comment: "Creates a directory" |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/mkdir.html" |
| error_value: "-1" |
| "<unistd.h>": |
| - prototype: "int access(const char *, int)" |
| comment: "Determines the accessibility of a file." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/access.html" |
| - prototype: "unsigned alarm(unsigned)" |
| comment: "Schedules an alarm signal." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/alarm.html" |
| - prototype: "int chdir(const char *)" |
| comment: "Changes the working directory." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/chdir.html" |
| - prototype: "int close(int)" |
| comment: "Closes a file descriptor." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/close.html" |
| - prototype: "char * crypt(const char *, const char *)" |
| comment: "Encrypts a string." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/crypt.html" |
| available_android: false |
| error_value: "NULL" |
| - prototype: "char * ctermid(char *)" |
| comment: "Generates a path name for the controlling terminal." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/ctermid.html" |
| available_android: false |
| error_value: "\"\"" |
| - prototype: "int dup(int)" |
| comment: "Duplicates an open file descriptor." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/dup.html" |
| - prototype: "int dup2(int, int)" |
| comment: "Copies an open file descriptor into another." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/dup.html" |
| - prototype: "int faccessat(int, const char *, int, int)" |
| comment: "Determines the accessibility of a file descriptor." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/faccessat.html" |
| - prototype: "int fchdir(int)" |
| comment: "Changes the current directory." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/fchdir.html" |
| - prototype: "int fdatasync(int)" |
| comment: "Forces all queued I/O operations to complete." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html" |
| available_ios: false |
| error_value: "-1" |
| - prototype: "char * getcwd(char *, size_t)" |
| comment: "Gets the current working directory." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/getcwd.html" |
| error_value: "NULL" |
| - prototype: "pid_t getpid(void)" |
| comment: "Gets the current process id." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/getpid.html" |
| error_value: "-1" |
| - prototype: "pid_t getppid(void)" |
| comment: "Gets the parent process id." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/getppid.html" |
| error_value: "-1" |
| - prototype: "ssize_t read(int, void *, size_t)" |
| comment: "Reads from a file." |
| url: "https://pubs.opengroup.org/onlinepubs/009696699/functions/read.html" |
| error_value: "-1" |
| - prototype: "ssize_t write(int, const void *, size_t)" |
| comment: "Writes to a file." |
| url: "https://pubs.opengroup.org/onlinepubs/009696699/functions/write.html" |
| error_value: "-1" |
| - prototype: "int unlink(const char *)" |
| comment: "Removes a directory entry." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/linkat.html" |
| - prototype: "int unlinkat(int, const char *, int)" |
| comment: "Removes a directory entry relative to another file." |
| url: "https://pubs.opengroup.org/onlinepubs/9699919799/functions/unlinkat.html" |
