#pragma once #include #include __BEGIN_DECLS size_t strlen(const char*); int strcmp(const char*, const char*); int strncmp(const char*, const char*, size_t); int strcasecmp(const char*, const char*); int strncasecmp(const char*, const char*, size_t); int memcmp(const void*, const void*, size_t); void* memcpy(void*, const void*, size_t); void* memmove(void*, const void*, size_t); void* memchr(const void*, int c, size_t); void bzero(void*, size_t); void bcopy(const void*, void*, size_t); void* memset(void*, int, size_t); char* strdup(const char*); char* strndup(const char*, size_t); char* strcpy(char* dest, const char* src); char* strncpy(char* dest, const char* src, size_t); char* strchr(const char*, int c); char* strstr(const char* haystack, const char* needle); char* strrchr(const char*, int c); char* strcat(char* dest, const char* src); char* strncat(char* dest, const char* src, size_t); size_t strspn(const char*, const char* accept); size_t strcspn(const char*, const char* reject); char* strerror(int errnum); char* strsignal(int signum); char* strpbrk(const char*, const char* accept); char* strtok(char* str, const char* delim); int strcoll(const char* s1, const char* s2); size_t strxfrm(char* dest, const char* src, size_t n); __END_DECLS