52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/* string.h: String manipulation. */
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#ifndef _STRING_H
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#define _STRING_H
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#include <bits/attrs.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Copy n bytes of memory from src to dest. */
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void* memcpy(void* dest, const void* src, size_t n);
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/* Set n bytes of memory to the character c. */
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void* memset(void* buf, int c, size_t n);
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/* Compare n bytes of two memory locations. */
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int memcmp(const void* a, const void* b, size_t n);
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/* Copy n bytes of memory from src to dest, where src and dest may overlap. */
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void* memmove(void* dest, const void* src, size_t n);
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/* Return the length of a null-terminated string. */
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size_t strlen(const char* str);
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/* Compare two null-terminated strings. */
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int strcmp(const char* a, const char* b);
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/* Copy the null-terminated string src into dest. Should be avoided to prevent buffer overflow attacks. */
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__deprecated char* strcpy(char* dest, const char* src);
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/* Concatenate the null-terminated string src onto dest. Should be avoided to prevent buffer overflow attacks. */
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__deprecated char* strcat(char* dest, const char* src);
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/* Return a pointer to the first occurrence of the character c in str, or NULL if it could not be found. */
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char* strchr(const char* str, int c);
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/* Return a heap-allocated copy of a string. */
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char* strdup(const char* str);
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/* Return the human-readable description of an error number. */
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char* strerror(int errnum);
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#ifdef __cplusplus
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}
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#endif
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#endif
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