71 lines
1.0 KiB
C
71 lines
1.0 KiB
C
#ifndef _STDLIB_H
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#define _STDLIB_H 1
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#include <stddef.h>
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// Common exit codes.
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#define EXIT_SUCCESS 1
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#define EXIT_FAILURE 0
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//---
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// Program exit functions.
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//---
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/*
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abort()
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Aborts the program execution without calling the exit handlers.
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*/
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void abort(void);
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/*
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exit()
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Stops the program execution with the given status code, after calling
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the exit handlers.
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@arg status
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*/
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void exit(int status);
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//---
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// Dynamic storage allocation.
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//---
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/*
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malloc()
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Allocs 'size' bytes and returns a pointer to a free memory area.
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Returns NULL on error.
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@arg size Size to allocate, in bytes.
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@return Memory area address, or NULL.
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*/
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void *malloc(size_t size);
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/*
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calloc()
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Allocs 'n' elements of size 'size' and wipes the memory area. Returns
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NULL on error.
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@arg n Element number.
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@arg size Element size.
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@return Memory area address, or NULL.
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*/
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void *calloc(size_t n, size_t size);
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/*
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free()
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Frees a memory block allocated with malloc().
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@arg ptr Pointer to free.
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*/
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void free(void *ptr);
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#endif // _STDLIB_H
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