| ||||
| Home Products Download Events Support | ||||
Technical Support
On-Line Manuals
C251 User's Guide
C251 Introduction Compiling Programs Language Extensions Preprocessor Advanced Programming Error Messages Library Reference 
Appendix A. ANSI C Implementation 
Implementation-defined Behavior Compiler-Related Library-Related B. Version Differences Version 1.0 Differences C51 Version 5 Differences C. Writing Optimum Code Memory Model Variable Location Variable Size Local Variables Use 251 Source Mode Other Sources D. Compiler Limits E. Byte Ordering F. Hints, Tips, and Techniques Tips for Program Execution Tips for the Stack Tips for Interrupts Function Pointers Problems Using printf Uncalled Functions Trouble with bdata Tips for Porting C51 Code Tips for the Intel RISM MonitorLibrary-Related
The ANSI C Standard Library includes a vast number of routines, most of which are included in the C251 Library. Many, however, are not applicable to an embedded application and are excluded from the C251 Library.
The following ANSI Standard Library routines are included in the C251 Compiler library:
- abs
- acos
- asin
- assert
- atan
- atan2
- atof
- atoi
- atol
- calloc
- ceil
- cos
- cosh
- exp
- fabs
- floor
- free
- getchar
- gets
- isalnum
- isalpha
- iscntrl
- isdigit
- isgraph
- islower
- isprint
- ispunct
- isspace
- isupper
- isxdigit
- labs
- log
- log10
- longjmp
- malloc
- memchr
- memcmp
- memcpy
- memmove
- memset
- modf
- pow
- printf
- putchar
- puts
- rand
- realloc
- scanf
- setjmp
- sin
- sinh
- sprintf
- sqrt
- srand
- sscanf
- strcat
- strchr
- strcmp
- strcpy
- strcspn
- strlen
- strncat
- strncmp
- strncpy
- strpbrk
- strrchr
- strspn
- tan
- tanh
- tolower
- toupper
- va_arg
- va_end
- va_start
- vprintf
- vsprintf
The following ANSI Standard library routines are not included in the C251 library:
- abort
- asctime
- atexit
- bsearch
- clearerr
- clock
- ctime
- difftime
- div
- exit
- fclose
- feof
- ferror
- fflush
- fgetc
- fgetpos
- fgets
- fmod
- fopen
- fprintf
- fputc
- fputs
- fread
- freopen
- frexp
- fscanf
- fseek
- fsetpos
- ftell
- fwrite
- getc
- getenv
- gmtime
- ldexp
- ldiv
- localeconv
- localtime
- mblen
- mbstowcs
- mbtowc
- mktime
- perror
- putc
- qsort
- raise
- remove
- rename
- rewind
- setbuf
- setlocale
- setvbuf
- signal
- strcoll
- strerror
- strftime
- strstr
- strtod
- strtok
- strtol
- strtoul
- strxfrm
- system
- time
- tmpfile
- tmpnam
- ungetc
- vfprintf
- wcstombs
- wctomb
The following routines are not found in the ANSI Standard Library but are included in the C251 library:
| Contact Site Map Press Privacy | Copyright © 2012 ARM Ltd and ARM Germany GmbH. All rights reserved. |
