The Linux Manuals (man pages) document is an important part of Linux documents. Linux Manuals are organized as several sections. Each section has a group of commands for a specific area in Linux usage, administration or development.
NAME merge_fonts – Merges two fonts into one font. Allegro game programming library. SYNOPSIS #include <allegro.h> FONT *merge_fonts(FONT *f1, FONT *f2) DESCRIPTION This function merges the character ranges from two fonts and returns a new font containing all characters in the old fonts. In general, you cannot merge fonts of different types (eg, TrueType fonts…
NAME memset – fill memory with a constant byte SYNOPSIS #include <string.h> void *memset(void *s, int c, size_t n); DESCRIPTION The memset() function fills the first n bytes of the memory area pointed to by s with the constant byte c. RETURN VALUE The memset() function returns a pointer to the memory area s. ATTRIBUTES…
NAME memchr, memrchr, rawmemchr – scan memory for a character SYNOPSIS #include <string.h> void *memchr(const void *s, int c, size_t n); void *memrchr(const void *s, int c, size_t n); void *rawmemchr(const void *s, int c); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): memrchr(), rawmemchr(): _GNU_SOURCE DESCRIPTION The memchr() function scans the initial n bytes…
NAME mempcpy, wmempcpy – copy memory area SYNOPSIS #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <string.h> void *mempcpy(void *dest, const void *src, size_t n); #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <wchar.h> wchar_t *wmempcpy(wchar_t *dest, const wchar_t *src, size_t n); DESCRIPTION The mempcpy() function is nearly identical to the memcpy(3) function. It copies n bytes…
NAME memmove – copy memory area SYNOPSIS #include <string.h> void *memmove(void *dest, const void *src, size_t n); DESCRIPTION The memmove() function copies n bytes from memory area src to memory area dest. The memory areas may overlap: copying takes place as though the bytes in src are first copied into a temporary array that does…
NAME memmem – locate a substring SYNOPSIS #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <string.h> void *memmem(const void *haystack, size_t haystacklen, const void *needle, size_t needlelen); DESCRIPTION The memmem() function finds the start of the first occurrence of the substring needle of length needlelen in the memory area haystack of length haystacklen. RETURN VALUE The…
NAME memkind_pmem.h – file-backed memory memkind operations. Note: This is EXEPRIMENTAL API. The functionality and the header file itself can be changed (including non-backward compatible changes), or remove. SYNOPSIS #include <memkind/internal/memkind_pmem.h> Link with – lmemkind int memkind_pmem_create(struct memkind *kind, const struct memkind_ops *ops, const char *name); int memkind_pmem_destroy(struct memkind *kind); void *memkind_pmem_mmap(struct memkind *kind, void…
NAME memkind_hugetlb.h – hugetlb memory memkind operations. Note: This is EXEPRIMENTAL API. The functionality and the header file itself can be changed (including non-backward compatible changes), or remove. SYNOPSIS #include <memkind/internal/memkind_hugetlb.h> Link with – lmemkind int memkind_hugetlb_check_available_2mb(struct memkind *kind); int memkind_hugetlb_check_available_1gb(struct memkind *kind); int memkind_hugetlb_get_mmap_flags(struct memkind *kind, int *flags); void memkind_hugetlb_init_once(void); DESCRIPTION The hugetlb memory…
NAME memkind_hbw.h – high bandwidth memory memkind operations. Note: This is EXEPRIMENTAL API. The functionality and the header file itself can be changed (including non-backward compatible changes), or remove. SYNOPSIS #include <memkind/internal/memkind_hbw.h> Link with – lmemkind int memkind_hbw_check_available(struct memkind *kind); int memkind_hbw_hugetlb_check_available(struct memkind *kind); int memkind_hbw_gbtlb_check_available(struct memkind *kind); int memkind_hbw_get_mbind_nodemask(struct memkind *kind, unsigned long *nodemask,…
NAME memkind_gbtlb.h – gigabyte TLB memkind operations. Note: This is EXEPRIMENTAL API. The functionality and the header file itself can be changed (including non-backward compatible changes), or remove. SYNOPSIS #include <memkind/internal/memkind_gbtlb.h> Link with – lmemkind void *memkind_gbtlb_malloc(struct memkind *kind, size_t size); void *memkind_gbtlb_calloc(struct memkind *kind, size_t num, size_t size); int memkind_gbtlb_posix_memalign(struct memkind *kind, void **memptr,…
NAME memkind_default.h – default implementations for memkind operations. Note: This is EXEPRIMENTAL API. The functionality and the header file itself can be changed (including non-backward compatible changes), or remove. SYNOPSIS #include <memkind/internal/memkind_default.h> Link with – lmemkind int memkind_default_create(struct memkind *kind, const struct memkind_ops *ops, const char *name); int memkind_default_destroy(struct memkind *kind); void *memkind_default_malloc(struct memkind *kind,…
NAME memkind_arena.h – jemalloc arena allocation memkind operations. Note: This is EXEPRIMENTAL API. The functionality and the header file itself can be changed (including non-backward compatible changes), or remove. SYNOPSIS #include <memkind/internal/memkind_arena.h> Link with – lmemkind int memkind_arena_create(struct memkind *kind, const struct memkind_ops *ops, const char *name); int memkind_arena_create_map(struct memkind *kind); int memkind_arena_destroy(struct memkind *kind);…
NAME memkind – Heap manager that enables allocations to memory with different properties. This header expose EXPERIMENTAL API in except of STANDARD API placed in section LIBRARY VERSION. API Standards are described below in this man page. SYNOPSIS #include <memkind.h> Link with – lmemkind ERROR HANDLING : void memkind_error_message(int err, char *msg, size_t size); HEAP…
NAME memfrob – frobnicate (encrypt) a memory area SYNOPSIS #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <string.h> void *memfrob(void *s, size_t n); DESCRIPTION The memfrob() function encrypts the first n bytes of the memory area s by exclusive-ORing each character with the number 42. The effect can be reversed by using memfrob() on the encrypted…
NAME memcpy – copy memory area SYNOPSIS #include <string.h> void *memcpy(void *dest, const void *src, size_t n); DESCRIPTION The memcpy() function copies n bytes from memory area src to memory area dest. The memory areas must not overlap. Use memmove(3) if the memory areas do overlap. RETURN VALUE The memcpy() function returns a pointer to…
NAME memcmp – compare memory areas SYNOPSIS #include <string.h> int memcmp(const void *s1, const void *s2, size_t n); DESCRIPTION The memcmp() function compares the first n bytes (each interpreted as unsigned char) of the memory areas s1 and s2. RETURN VALUE The memcmp() function returns an integer less than, equal to, or greater than zero…
NAME memchr, memrchr, rawmemchr – scan memory for a character SYNOPSIS #include <string.h> void *memchr(const void *s, int c, size_t n); void *memrchr(const void *s, int c, size_t n); void *rawmemchr(const void *s, int c); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): memrchr(), rawmemchr(): _GNU_SOURCE DESCRIPTION The memchr() function scans the initial n bytes…
NAME memccpy – copy memory area SYNOPSIS #include <string.h> void *memccpy(void *dest, const void *src, int c, size_t n); DESCRIPTION The memccpy() function copies no more than n bytes from memory area src to memory area dest, stopping when the character c is found. If the memory areas overlap, the results are undefined. RETURN VALUE…
NAME memcached_version – libmemcached Documentation SYNOPSIS #include <libmemcached/memcached.h> const char * memcached_lib_version(void) memcached_return_t memcached_version(memcached_st *ptr) Compile and link with -lmemcached DESCRIPTION memcached_lib_version() is used to return a simple version string representing the libmemcached version (client library version, not server version) memcached_version() is used to set the major, minor, and micro versions of each memcached server being…
NAME memcached_verbosity – libmemcached Documentation Modifiy verbosity of servers SYNOPSIS #include <libmemcached/memcached.h> memcached_return_t memcached_verbosity(memcached_st *ptr, uint32_t verbosity) Compile and link with -lmemcached DESCRIPTION memcached_verbosity() modifies the "verbosity" of the memcached(1) servers referenced in the memcached_st parameter. RETURN A value of type memcached_return_t is returned. On success that value will be MEMCACHED_SUCCESS. Use memcached_strerror() to translate this value…