Libc Rt Freestanding¶

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import "std/runtime/libc_rt_freestanding";

Functions¶

memcpy¶

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public f<byte*> memcpy(byte* dest, const byte* src, unsigned long size)

Copy size bytes from src to dest. The memory areas must not overlap

Parameters

Returns: byte* — Destination memory area

memmove¶

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public f<byte*> memmove(byte* dest, const byte* src, unsigned long size)

Copy size bytes from src to dest. The memory areas may overlap

Parameters

Returns: byte* — Destination memory area

memset¶

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public f<byte*> memset(byte* dest, int value, unsigned long size)

Fill size bytes of dest with the given value

Parameters

Returns: byte* — Destination memory area

memcmp¶

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public f<int> memcmp(const byte* lhs, const byte* rhs, unsigned long size)

Compare size bytes of two memory areas

Parameters

Returns: int — 0 if equal, a negative value if the first differing byte is smaller in lhs, a positive value otherwise

bcmp¶

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public f<int> bcmp(const byte* lhs, const byte* rhs, unsigned long size)

Check if two memory areas are equal. LLVM turns memcmp calls, of which only the equality is used, into bcmp calls

Parameters

Returns: int — 0 if equal, another value otherwise

strlen¶

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public f<unsigned long> strlen(string str)

Get the length of a null-terminated string

Parameters

Returns: unsigned long — Number of chars before the null terminator

strcmp¶

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public f<int> strcmp(string lhs, string rhs)

Compare two null-terminated strings

Parameters

Returns: int — 0 if equal, a negative value if the first differing char is smaller in lhs, a positive value otherwise