TASKING VX-toolset for ARM User Guide

LibrariesReturns a pointer to type struct lconv with values appropriate for the formatting of numericquantities according to the rules of the current locale. The struct lconv in this header file isconforming the ISO standard.13.2.15. malloc.hThe header file malloc.h contains prototypes for memory allocation functions. This include file is notdefined in ISO C99, it is included for backwards compatibility with ISO C90. For ISO C99, the memoryallocation functions are part of stdlib.h. See Section 13.2.24, stdlib.h and wchar.h.malloc(size)calloc(nobj,size)free(*ptr)realloc(*ptr,size)Allocates space for an object with size size.The allocated space is not initialized. Returns a pointer to theallocated space.Allocates space for n objects with size size.The allocated space is initialized with zeros. Returns a pointer tothe allocated space.Deallocates the memory space pointed to by ptr which should bea pointer earlier returned by the malloc or calloc function.Deallocates the old object pointed to by ptr and returns a pointerto a new object with size size, while preserving its contents.If the new size is smaller than the old size, some contents at theend of the old region will be discarded. If the new size is larger thanthe old size, all of the old contents are preserved and any bytes inthe new object beyond the size of the old object will haveindeterminate values.13.2.16. math.h and tgmath.hThe header file math.h contains the prototypes for many mathematical functions. Before ISO C99, allfunctions were computed using the double type (the float was automatically converted to double, prior tocalculation). In this ISO C99 version, parallel sets of functions are defined for double, float and longdouble. They are respectively named function, functionf, functionl. All long type functions, thoughdeclared in math.h, are implemented as the double type variant which nearly always meets therequirement in embedded applications.The header file tgmath.h contains parallel type generic math macros whose expansion depends on theused type. tgmath.h includes math.h and the effect of expansion is that the correct math.h functionsare called. The type generic macro, if available, is listed in the second column of the tables below.Trigonometric and hyperbolic functionsmath.htgmath.hDescriptionsinsinfsinlsinReturns the sine of x.coscosfcoslcosReturns the cosine of x.tantanftanltanReturns the tangent of x.asinasinfasinlasinReturns the arc sine sin -1 (x) of x.749