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 */
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 */
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#include <libc.h>
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#include <libc.h>
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#include <unistd.h>
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#include <unistd.h>
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/** Mremap syscall */
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/** mmap syscall
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 *
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 * @param address Virtual address where to place new address space area.
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 * @param size Size of the area.
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 * @param flags Flags describing type of the area.
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 *
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 * @return address on success, (void *) -1 otherwise.
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 */
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void *mremap(void *address, size_t size, unsigned long flags)
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void *mmap(void *address, size_t size, int flags)
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{
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{
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    return (void *) __SYSCALL3(SYS_MREMAP, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags);
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    return (void *) __SYSCALL3(SYS_MMAP, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags);
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}
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}
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/** mremap syscall
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 *
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 * @param address Virtual address pointing into already existing address space area.
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 * @param size New requested size of the area.
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 * @param flags Currently unused.
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 *
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 * @return address on success, (void *) -1 otherwise.
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 */
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void *mremap(void *address, size_t size, int flags)
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{
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    return (void *) __SYSCALL3(SYS_MREMAP, (sysarg_t ) address, (sysarg_t) size, (sysarg_t) flags);
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}
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static size_t heapsize = 0;
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static size_t heapsize = 0;
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/* Start of heap linker symbol */
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/* Start of heap linker symbol */
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extern char _heap;
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extern char _heap;
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