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The standard library functions shown below copy memory from a source object referenced by a restrict-qualified pointer to a destination object that is also referenced by a restrict-qualified pointer.
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void *memcpy( void * restrict s1, const void * restrict s2, size_t n ); char *strcpy( char * restrict s1, const char * restrict s2 ); char *strncpy( char * restrict s1, const char * restrict s2, size_t n ); char *strcat( char * restrict s1, const char * restrict s2 ); char *strncat( char * restrict s1, const char * restrict s2, size_t n ); /* Annex K Functions */ errno_t memcpy_s( void * restrict s1, rsize_t s1max, const void * restrict s2, rsize_t n ); errno_t strcpy_s( char * restrict s1, rsize_t s1max, const char * restrict s2); errno_t strncpy_s( char * restrict s1, rsize_t s1max, const char * restrict s2, rsize_t n ); errno_t strcat_s( char * restrict s1, rsize_t s1max, const char * restrict s2 ); errno_t strncat_s( char * restrict s1, rsize_t s1max, const char * restrict s2, rsize_t n ); char *strtok_s( char * restrict s1, rsize_t * restrict s1max, const char * restrict s2, char ** restrict ptr ); |
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| ISO/IEC TR 24772:2013 | Passing Parameters and Return Values [CSJ] |
| ISO/IEC TS 17961 | Passing pointers into the same object as arguments to different restrict-qualified parameters [restrict] |
Bibliography
Douglas Walls. How to Use the Qualifier in C. Sun ONE Tools Group, Sun Microsystems, July 2003 (revised March 2006)
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