std::memset - cppreference.com
WEBJun 5, 2023 · std:: memset. Copies the value static_cast<unsignedchar>(ch) into each of the first count characters of the object pointed to by dest. If the object is a potentially-overlapping subobject or is not TriviallyCopyable (e.g., scalar, C-compatible struct, or an array of trivially copyable type), the behavior is undefined.
memset() in C with examples - GeeksforGeeks
WEBJun 28, 2021 · memset () in C with examples. Last Updated : 28 Jun, 2021. memset () is used to fill a block of memory with a particular value. The syntax of memset () function is as follows : // ptr ==> Starting address of memory to be filled. // x ==> Value to be filled.
C library function - memset() - Online Tutorials Library
WEBThe C library function void *memset (void *str, int c, size_t n) copies the character c (an unsigned char) to the first n characters of the string pointed to, by the argument str.
memset - C++ Users
WEB<cstring> memset. void * memset ( void * ptr, int value, size_t num ); Fill block of memory. Sets the first num bytes of the block of memory pointed by ptr to the specified value (interpreted as an unsigned char ). Parameters. ptr. Pointer to the block of memory to fill. value. Value to be set.
memset, memset_explicit, memset_s - cppreference.com
WEBOct 17, 2022 · memset, memset_explicit, memset_s. 1) Copies the value (unsignedchar)ch into each of the first count characters of the object pointed to by dest. The behavior is undefined if access occurs beyond the end of the dest array. The behavior is undefined if dest is a null pointer.
memset(3) - Linux manual page - man7.org
WEBmemset - fill memory with a constant byte LIBRARY top Standard C library (libc, -lc) SYNOPSIS top #include <string.h> void *memset(void s[.n], int c, size_t n); DESCRIPTION top The memset() function fills the first n bytes of the memory area pointed to by s with the constant byte c. RETURN VALUE top
memset, wmemset | Microsoft Learn
WEBDec 1, 2022 · void *memset( void *dest, int c, size_t count ); wchar_t *wmemset( wchar_t *dest, wchar_t c, size_t count ); Parameters. dest Pointer to destination. c Character to set. count Number of characters. Return value. The value of dest. Remarks. Sets the first count characters of dest to the character c.
c++ - Memset Definition and use - Stack Overflow
WEBmemset is a common way to set a memory region to 0 regardless of the data type. One can say that memset doesn't care about the data type and just sets all bytes to zero.
What is the difference between memset and memcpy in C
WEBNov 23, 2015 · 6 Answers. Sorted by: 54. memcpy() copies from one place to another. memset() just sets all pieces of memory to the same value. Example: memset(str, '*', 50); . The above line sets the first 50 characters of the string str to * (or whatever second argument of the memset). memcpy(str2, str1, 50); .
C Language: memset function (Initialize Memory Block) - TechOnTheNet
WEBc. The value to be stored. n. The number of characters to be stored. Returns. The memset function returns s. Required Header. In the C Language, the required header for the memset function is: #include <string.h> Applies To. In the C Language, the memset function can be used in the following versions: ANSI/ISO 9899-1990. See Also.
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