# segfaults

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This modules registers a signal handler that turns access violations / segfaults into a `NilAccessError` exception. To be able to catch a NilAccessError all you have to do is to import this module.

Tested on these OSes: Linux, Windows, OSX

# Imports

winlean

# Types

    C_JmpBuf {...}{.importc: "jmp_buf", header: "<setjmp.h>".} = object

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    CFilePtr = ptr CFile

  The type representing a file handle. Source Edit

# Vars

    cstderr: CFilePtr

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    cstdout: CFilePtr

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# Consts

    SIGABRT = 22

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    SIGFPE = 8

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    SIGILL = 4

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    SIGINT = 2

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    SIGSEGV = 11

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# Procs

    proc c_memchr(s: pointer; c: cint; n: csize): pointer {...}{.importc: "memchr",
        header: "<string.h>".}

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    proc c_memcmp(a, b: pointer; size: csize): cint {...}{.importc: "memcmp",
        header: "<string.h>", noSideEffect.}

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    proc c_memcpy(a, b: pointer; size: csize): pointer {...}{.importc: "memcpy",
        header: "<string.h>", discardable.}

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    proc c_memmove(a, b: pointer; size: csize): pointer {...}{.importc: "memmove",
        header: "<string.h>", discardable.}

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    proc c_memset(p: pointer; value: cint; size: csize): pointer {...}{.importc: "memset",
        header: "<string.h>", discardable.}

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    proc c_strcmp(a, b: cstring): cint {...}{.importc: "strcmp", header: "<string.h>",
                                    noSideEffect.}

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    proc c_strlen(a: cstring): csize {...}{.importc: "strlen", header: "<string.h>", noSideEffect.}

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    proc c_abort() {...}{.importc: "abort", header: "<stdlib.h>", noSideEffect.}

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    proc c_longjmp(jmpb: C_JmpBuf; retval: cint) {...}{.header: "<setjmp.h>", importc: "longjmp".}

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    proc c_setjmp(jmpb: C_JmpBuf): cint {...}{.header: "<setjmp.h>", importc: "setjmp".}

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    proc c_signal(sign: cint; handler: proc (a: cint) {...}{.noconv.}): CSighandlerT {...}{.
        importc: "signal", header: "<signal.h>", discardable.}

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    proc c_fprintf(f: CFilePtr; frmt: cstring): cint {...}{.importc: "fprintf",
        header: "<stdio.h>", varargs, discardable.}

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    proc c_printf(frmt: cstring): cint {...}{.importc: "printf", header: "<stdio.h>", varargs,
                                     discardable.}

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    proc c_fputs(c: cstring; f: CFilePtr): cint {...}{.importc: "fputs", header: "<stdio.h>",
                                            discardable.}

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    proc c_sprintf(buf, frmt: cstring): cint {...}{.importc: "sprintf", header: "<stdio.h>",
                                          varargs, noSideEffect.}

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    proc c_malloc(size: csize): pointer {...}{.importc: "malloc", header: "<stdlib.h>".}

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    proc c_free(p: pointer) {...}{.importc: "free", header: "<stdlib.h>".}

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    proc c_realloc(p: pointer; newsize: csize): pointer {...}{.importc: "realloc",
        header: "<stdlib.h>".}

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    proc c_fwrite(buf: pointer; size, n: csize; f: CFilePtr): cint {...}{.importc: "fwrite",
        header: "<stdio.h>".}

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    proc rawWrite(f: CFilePtr; s: cstring) {...}{.compilerproc, nonReloadable, inline,
                                        raises: [], tags: [].}

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