apio
743aedcd49
exit() now calls registered handlers before calling _exit(). And initialize_libc() can now register a handler to close stdout and stderr on program termination!! :)
48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
#ifndef _STDLIB_H
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#define _STDLIB_H
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#include <bits/macros.h>
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#include <stddef.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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/* Aborts the program. */
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noreturn void abort();
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/* Normally exits the program with the specified status code. */
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noreturn void exit(int status);
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/* Registers a handler function to be run at normal program termination. */
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int atexit(void (*handler)(void));
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/* Not implemented.*/
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int atoi(const char*);
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/* Not implemented. */
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char* getenv(const char*);
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/* Allocates n bytes of memory and returns a pointer to it. This memory should be freed by calling free() when it is
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* not in use anymore. */
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void* malloc(size_t n);
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/* Allocates enough bytes of memory for an array containing nmemb items of size n and returns a pointer to it. This
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* memory should be freed by calling free() when it is not in use anymore. */
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void* calloc(size_t nmemb, size_t n);
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/* Resizes memory allocated by malloc() or calloc() to n bytes. Returns a pointer to the new resized region of
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* memory, which should be used instead of the old one. This memory should be freed by calling free() when it is not
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* in use anymore. */
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void* realloc(void* ptr, size_t n);
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/* Frees a pointer to memory allocated by malloc(), calloc() or realloc(). Accessing the contents of ptr afterwards
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* is undefined behavior. */
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void free(void* ptr);
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#ifdef __cplusplus
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}
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#endif
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#endif |