vugen.h

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#ifndef _VUGEN_H_
#define _VUGEN_H_

/* typedef unsigned long size_t; */

/***** String functions *****/
int snprintf(char *buffer, size_t n, const char *format_string, ...);
int sprintf(char *buffer, const char *format_string, ...); 
int sscanf(const char *buffer, const char *format_string, ...);
char *strchr(const char *string, int c);
int strcmp(const char *string1, const char *string2);
char *strdup(const char *string);
int stricmp(const char *string1, const char *string2);
size_t strlen(const char *string);
char *strlwr(char *string);
char *strncat(char *to_string, const char *from_string, size_t n);
int strncmp(const char *string1, const char *string2, size_t n);
int strnicmp(const char *string1, const char *string2, size_t num);
char *strncpy(char *destination, const char *source, size_t num);
char *strrchr(const char *string, int c);
char *strset(char *string1, int character);
size_t *strspn(const char *string, const char *skipset);
char *strstr(const char *string1, const char *string2);
char *strtok(char *string, const char *delimiters);
char *strupr(char *string);
double atof(const char *string);
int atoi(const char *string);
long atol(const char *string);
int itoa(int value, char *str, int radix);
long strtol(const char *string, char **endptr, int radix);
unsigned long int strtoul(const char *str, char **endptr, int base);
double strtod(const char *str, char **endptr);

#define strcat(to, from) 0_DO_NOT_USE_strcat_THERE_IS_ALWAYS_A_BETTER_SOLUTION

#define strcpy(dest, source) 0_DO_NOT_USE_strcpy_DUPLICATION_IS_NOT_REQUIRED

/* ctype.h -- http://www.acm.uiuc.edu/webmonkeys/book/c_guide/ */
int isalnum(int character);
int isalpha(int character);
int iscntrl(int character);
int isdigit(int character);
int isgraph(int character);
int islower(int character);
int isprint(int character);
int ispunct(int character);
int isspace(int character);
int isupper(int character);
int isxdigit(int character);
int tolower(int character);
int toupper(int character);

/* ctype.h -- http://www.acm.uiuc.edu/webmonkeys/book/c_guide/ */
void *memchr(const void *s, int c, size_t n);
int memcmp(const void *s1, const void *s2, size_t n);
void *memcpy(void *dest, const void *src, size_t n);
void *memmove(void *dest, const void *src, size_t n);
void *memset(void *buffer, int c, size_t n);

/***** Memory Allocation Functions *****/
void *calloc(size_t num_elems, size_t elem_size);
void free(void *mem_address);
void *malloc(size_t num_bytes);
void *realloc(void *mem_address, size_t size);

/***** Time structures and functions *****/
typedef long time_t;

struct tm {
    int tm_sec;
    int tm_min;
    int tm_hour;
    int tm_mday;
    int tm_mon;
    int tm_year;
    int tm_wday;
    int tm_yday;
    int tm_isdst;
    #ifdef LINUX
        int tm_gmtoff;
        const char *tm_zone;
    #endif
};

time_t time(time_t *timeptr);
char *ctime(const time_t *calTime);
struct tm *gmtime(const time_t *calTime);
char *asctime(const struct tm *tmTime);
size_t *strftime(char *string, size_t maxlen, const char *format, const struct tm *timestruct);
time_t mktime(struct tm * timeptr);
struct tm *localtime(const time_t *timer);
void tzset(void);

struct _timeb {
    time_t time; 
    unsigned short millitm; 
    short timezone; 
    short dstflag; 
};

void ftime(struct _timeb *time);

/***** File functions *****/
int fclose(long file_pointer);
int feof(long file_pointer);
int ferror(long file_pointer);
int fgetc(long file_pointer);
char *fgets(char *string, int maxchar, long file_pointer);
int fputs(const char *str, long file_pointer);
long fopen(const char *filename, const char *access_mode);
int fprintf(long file_pointer, const char *format_string, ...);
int fputc(int c, long file_pointer);
size_t fread(void *buffer, size_t size, size_t count, long file_pointer);
int fscanf(long file_pointer, const char *format_string, ...);
int fseek(long file_pointer, long offset, int origin);
long ftell(long file_pointer);
size_t fwrite(const void *buffer, size_t size, size_t count, long file_pointer);
void rewind(long file_pointer);
long tmpfile(void);
char *tmpnam(char *str);
int setvbuf(long file_pointer, char * buffer, int mode, size_t size);

#ifndef FILENAME_MAX
#define FILENAME_MAX 1024
#endif
#ifndef L_tmpnam
#define L_tmpnam FILENAME_MAX
#endif

#ifndef SEEK_SET
#define SEEK_SET 0
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1
#endif
#ifndef SEEK_END
#define SEEK_END 2
#endif
#define _IOFBF 0
#define _IOLBF 1
#define _IONBF 2
#define EOF (-1)

/*
 * Routines in POSIX 1003.1:2001.
 */
int getw(long file_pointer);
int pclose(long file_pointer);
long popen(const char *command, const char *access_mode);
int putw(int word, long file_pointer);

/***** Process Control Functions *****/
char *getenv(const char *varname);
int putenv(const char *envstring);
int system(const char *string);

/***** File system functions *****/
int chdir(const char *path);
int chdrive(int drive);
char *getcwd(char *path, int numchars);
int getdrive(void);
int remove(const char *path);
int rename(const char *oldname, const char *newname);
int rmdir(const char *path);

/***** locale.h functions *****/
#define LC_ALL      0
#define LC_COLLATE  1
#define LC_CTYPE    2
#define LC_MONETARY 3
#define LC_NUMERIC  4
#define LC_TIME     5
#define LC_MESSAGES 6
char *setlocale(int category, const char *locale);

struct lconv {
    char *decimal_point;
    char *thousands_sep;
    char *grouping;
    char *int_curr_symbol;
    char *currency_symbol;
    char *mon_decimal_point;
    char *mon_thousands_sep;
    char *mon_grouping;
    char *positive_sign;
    char *negative_sign;
    char int_frac_digits;
    char frac_digits;
    char p_cs_precedes;
    char p_sep_by_space;
    char n_cs_precedes;
    char n_sep_by_space;
    char p_sign_posn;
    char n_sign_posn;
/*
The members below are not yet supported (not complying with the C standard of 1999 or later).
    char int_n_cs_precedes;
    char int_n_sep_by_space;
    char int_n_sign_posn;
    char int_p_cs_precedes;
    char int_p_sep_by_space;
    char int_p_sign_posn;
*/
};
struct lconv *localeconv(void);

/***** Mathematic Functions *****/
int abs(int n);
double fabs(double x);
double ceil(double x);
double floor(double x);
double fmod(double numerator, double denominator);
double modf(double x, double *intpart);
double exp(double x);
double sqrt(double x);
double pow(double base, double exponent);
double log(double x);
double log10(double x);
double log2(double x);
double sin(double x);
double cos(double x);

int rand(void);
int srand(unsigned int seed);
#ifdef WINNT
int rand_s(unsigned int *randomValue); 
#endif

/***** Windows API Functions *****/
void sleep(DWORD dwMilliseconds);
/* alternative: #define sleep(msec) lr_force_think_time(msec / 1000.) */

// doxygen info: http://www.stack.nl/~dimitri/doxygen/manual/commands.html
#endif /* _VUGEN_H_ */