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Cx51 Introduction Compiling Programs Language Extensions Preprocessor 
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Startup Code Variable Initialization Code XBANKING.A51 Basic I/O Memory Allocation Optimizer Optimizer Options General Optimizations 8051-Specific Optimizations Global Register Coloring Segment Naming Conventions Data Objects Program Objects Parameters and Local Variables Interfacing C to Assembler Global Variables Function Parameters Passing in Memory Passing in Registers Function Return Values Using the SRC Directive Register Usage Overlaying Segments Small Model Example Compact Model Example Large Model Example Interfacing C programs to PL/M-51 Data Storage Formats Bit Variables 1-Byte Scalars 2-Byte Scalars 4-Byte Scalars Generic and Far Pointers Floating-point Numbers Floating-point Errors Absolute Memory Locations Absolute Access Macros Linker Location Controls The _at_ Keyword Debugging 8051 Derivatives Error Messages Library Reference AppendixMemory Allocation
The following files contain the source code for the memory allocation routines.
| C Source File | Description |
|---|---|
| CALLOC.C | This file contains the source code for the calloc library routine. This routine allocates memory for an array from the memory pool. |
| FREE.C | This file contains the source code for the free library routine. This routine returns a previously allocated memory block to the memory pool. |
| INIT_MEM.C | This file contains the source code for the init_mempool library routine. This routine allows you to specify the location and size of a memory pool from which memory may be allocated using the malloc, calloc, and realloc routines. |
| MALLOC.C | This file contains the source code for the malloc library routine. This routine allocates memory from the memory pool. |
| REALLOC.C | This file contains the source code for the realloc library routine. This routine resizes a previously allocated memory block. |
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