Section 3: library functions
putpixel – Writes a pixel into a bitmap. Allegro game programming library. Synopsis #include <allegro.h> void putpixel(BITMAP *bmp, int x, int y, int color); Description Writes a pixel to the specified position in the bitmap, using the current drawing mode and the bitmap’s clipping rectangle. Example: putpixel(screen, 10, 30, some_color); See Also getpixel(3), _putpixel(3), drawing_mode(3),…
putgrent – write a group database entry to a file Synopsis #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <grp.h> int putgrent(const struct group *grp, FILE *stream); Description The putgrent() function is the counterpart for fgetgrent(3). The function writes the content of the provided struct group into the stream. The list of group members must be…
putenv – change or add an environment variable Synopsis #include <stdlib.h> int putenv(char *string); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): putenv(): _XOPEN_SOURCE || /* Glibc since 2.19: */ _DEFAULT_SOURCE || /* Glibc versions <= 2.19: */ _SVID_SOURCE Description The putenv() function adds or changes the value of environment variables. The argument string is of the form name=value. If name does not already exist…
putdata64 — write data to a dirfile database with largefile support Synopsis #define _LARGEFILE64_SOURCE #include <getdata.h> size_t putdata64(DIRFILE *dirfile, const char *field_code, off64_t first_frame, off64_t first_sample, size_t num_frames, size_t num_samples, gd_type_t data_type, const void *data_out); Description This version of putdata(3) uses a 64-bit offset type, even if off_t is a 32-bit type. It is only…
putdata — write data to a dirfile database Synopsis #include <getdata.h> size_t putdata(DIRFILE *dirfile, const char *field_code, off_t first_frame, off_t first_sample, size_t num_frames, size_t num_samples, gd_type_t data_type, const void *data_in); Description The putdata() function writes data to a dirfile(5) database specified by dirfile for the field field_code, which may not contain a representation suffix. It…
getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked – nonlocking stdio functions Synopsis #include <stdio.h> int getc_unlocked(FILE *stream); int getchar_unlocked(void); int putc_unlocked(int c, FILE *stream); int putchar_unlocked(int c); void clearerr_unlocked(FILE *stream); int feof_unlocked(FILE *stream); int ferror_unlocked(FILE *stream); int fileno_unlocked(FILE *stream); int fflush_unlocked(FILE *stream); int fgetc_unlocked(FILE *stream); int fputc_unlocked(int c, FILE *stream); size_t fread_unlocked(void *ptr, size_t size, size_t n, FILE…
fputc, fputs, putc, putchar, puts – output of characters and strings Synopsis #include <stdio.h> int fputc(int c, FILE *stream); int fputs(const char *s, FILE *stream); int putc(int c, FILE *stream); int putchar(int c); int puts(const char *s); Description fputc() writes the character c, cast to an unsigned char, to stream. fputs() writes the string s…
getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked – nonlocking stdio functions Synopsis #include <stdio.h> int getc_unlocked(FILE *stream); int getchar_unlocked(void); int putc_unlocked(int c, FILE *stream); int putchar_unlocked(int c); void clearerr_unlocked(FILE *stream); int feof_unlocked(FILE *stream); int ferror_unlocked(FILE *stream); int fileno_unlocked(FILE *stream); int fflush_unlocked(FILE *stream); int fgetc_unlocked(FILE *stream); int fputc_unlocked(int c, FILE *stream); size_t fread_unlocked(void *ptr, size_t size, size_t n, FILE…
fputc, fputs, putc, putchar, puts – output of characters and strings Synopsis #include <stdio.h> int fputc(int c, FILE *stream); int fputs(const char *s, FILE *stream); int putc(int c, FILE *stream); int putchar(int c); int puts(const char *s); Description fputc() writes the character c, cast to an unsigned char, to stream. fputs() writes the string s…
put_string — retrieve a string from a dirfile database Synopsis #include <getdata.h> int put_string(DIRFILE *dirfile, const char *field_code, const char *data_in); Description The put_string() function queries a dirfile(5) database specified by dirfile and sets the STRING field_code , which should not contain a representation suffix, to the value specified in data_in. The dirfile argument must…
put_constant — retrieve a scalar constant from a dirfile database Synopsis #include <getdata.h> int put_constant(DIRFILE *dirfile, const char *field_code, gd_type_t data_type, const void *data_in); Description The put_constant() function queries a dirfile(5) database specified by dirfile and sets the CONST scalar field_code , which may not contain a representation suffix, to the value specified in data_in,…
put_backslash – Puts a path separator at the end of a path if needed. Allegro game programming library. Synopsis #include <allegro.h> void put_backslash(char *filename); Description If the last character of the filename is not a `\’, `/’, `#’ or a device separator (ie. `:’ under DOS), this routine will concatenate either a `\’ or `/’…
QuantLib::DigitalCoupon – Digital-payoff coupon. Synopsis void update () Inherits QuantLib::FloatingRateCoupon. Inherited by DigitalCmsCoupon, and DigitalIborCoupon. Public Member Functions Constructors void update () Coupon interface Rate rate () const accrued rate Rate convexityAdjustment () const convexity adjustment Digital inspectors Rate callStrike () const Rate putStrike () const Rate callDigitalPayoff () const Rate putDigitalPayoff () const bool…
QuantLib::DigitalCoupon – Digital-payoff coupon. Synopsis void update () Inherits QuantLib::FloatingRateCoupon. Inherited by DigitalCmsCoupon, and DigitalIborCoupon. Public Member Functions Constructors void update () Coupon interface Rate rate () const accrued rate Rate convexityAdjustment () const convexity adjustment Digital inspectors Rate callStrike () const Rate putStrike () const Rate callDigitalPayoff () const Rate putDigitalPayoff () const bool…
QuantLib::DigitalCoupon – Digital-payoff coupon. Synopsis void update () Inherits QuantLib::FloatingRateCoupon. Inherited by DigitalCmsCoupon, and DigitalIborCoupon. Public Member Functions Constructors void update () Coupon interface Rate rate () const accrued rate Rate convexityAdjustment () const convexity adjustment Digital inspectors Rate callStrike () const Rate putStrike () const Rate callDigitalPayoff () const Rate putDigitalPayoff () const bool…
QuantLib::EurodollarFuturesImpliedStdDevQuote – quote for the Eurodollar-future implied standard deviation Synopsis void performCalculations () const Protected Attributes Inherits QuantLib::Quote, and QuantLib::LazyObject. Public Member Functions void performCalculations () const Protected Attributes Quote interface Real value () const returns the current value bool isValid () const returns true if the Quote holds a valid value Protected Member Functions…
QuantLib::DigitalCoupon – Digital-payoff coupon. Synopsis void update () Inherits QuantLib::FloatingRateCoupon. Inherited by DigitalCmsCoupon, and DigitalIborCoupon. Public Member Functions Constructors void update () Coupon interface Rate rate () const accrued rate Rate convexityAdjustment () const convexity adjustment Digital inspectors Rate callStrike () const Rate putStrike () const Rate callDigitalPayoff () const Rate putDigitalPayoff () const bool…
QuantLib::DigitalCoupon – Digital-payoff coupon. Synopsis void update () Inherits QuantLib::FloatingRateCoupon. Inherited by DigitalCmsCoupon, and DigitalIborCoupon. Public Member Functions Constructors void update () Coupon interface Rate rate () const accrued rate Rate convexityAdjustment () const convexity adjustment Digital inspectors Rate callStrike () const Rate putStrike () const Rate callDigitalPayoff () const Rate putDigitalPayoff () const bool…
QuantLib::DigitalCoupon – Digital-payoff coupon. Synopsis void update () Inherits QuantLib::FloatingRateCoupon. Inherited by DigitalCmsCoupon, and DigitalIborCoupon. Public Member Functions Constructors void update () Coupon interface Rate rate () const accrued rate Rate convexityAdjustment () const convexity adjustment Digital inspectors Rate callStrike () const Rate putStrike () const Rate callDigitalPayoff () const Rate putDigitalPayoff () const bool…
QuantLib::DigitalCoupon – Digital-payoff coupon. Synopsis void update () Inherits QuantLib::FloatingRateCoupon. Inherited by DigitalCmsCoupon, and DigitalIborCoupon. Public Member Functions Constructors void update () Coupon interface Rate rate () const accrued rate Rate convexityAdjustment () const convexity adjustment Digital inspectors Rate callStrike () const Rate putStrike () const Rate callDigitalPayoff () const Rate putDigitalPayoff () const bool…