Imagecraft c compiler and development environment for the atmel avr

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ICCV8 for AVR – C Compiler for Atmel AVRString FunctionsThe following string functions are supported. Use #include > beforeusing these functions. The file defines NULL and typedefs size_t,and the following string and character array functions: void *memchr(void *s, int c, size_t n)searches for the first occurrence of c in the array s of size n. It returns the addressof the matching element or the null pointer if no match is found. int memcmp(void *s1, void *s2, size_t n)compares two arrays, each of size n. It returns 0 if the arrays are equal andgreater than 0 if the first different element in s1 is greater than the correspondingelement in s2. Otherwise, it returns a number less than 0. void *memcpy(void *s1, const void *s2, size_t n)copies n bytes starting from s2 into s1. void *memmove(void *s1, const void *s2, size_t n)copies s2 into s1, each of size n. The routine works correctly even if the inputsoverlap. It returns s1. void *memset(void *s, int c, size_t n)stores c in all elements of the array s of size n. It returns s. char *strcat(char *s1, const char *s2)concatenates s2 onto s1 . It returns s1. char *strchr(const char *s, int c)searches for the first occurrence of c in s, including its terminating null character.It returns the address of the matching element or the null pointer if no match isfound. int strcmp(const char *s1, const char *s2)compares two strings. It returns 0 if the strings are equal, and greater than 0 if thefirst different element in s1 is greater than the corresponding element in s2.Otherwise, it returns a number less than 0. int strcoll(const char *s1, const char *s2)compares two strings using locale information. Under our compilers, this is exactlythe same as the strcmp function.102
ICCV8 for AVR – C Compiler for Atmel AVR char *strcpy(char *s1, const char *s2)copies s2 into s1. It returns s1. size_t strcspn(const char *s1, const char *s2)searches for the first element in s1 that matches any of the elements in s2. Theterminating nulls are considered part of the strings. It returns the index in s1where the match is found. size_t strlen(const char *s)returns the length of s. The terminating null is not counted. char *strncat(char *s1, const char *s2, size_t n)concatenates up to n elements, not including the terminating null, of s2 into s1. Itthen copies a null character onto the end of s1. It returns s1. int strncmp(const char *s1, const char *s2, size_t n)is the same as the strcmp function except it compares at most n characters. char *strncpy(char *s1, const char *s2, size_t n)is the same as the strcpy function except it copies at most n characters. char *strpbrk(const char *s1, const char *s2)does the same search as the strcspn function but returns the pointer to thematching element in s1 if the element is not the terminating null. Otherwise, itreturns a null pointer. char *strrchr(const char *s, int c)searches for the last occurrence of c in s and returns a pointer to it. It returns anull pointer if no match is found. size_t strspn(const char *s1, const char *s2)searches for the first element in s1 that does not match any of the elements in s2.The terminating null of s2 is considered part of s2. It returns the index where thecondition is true. char *strstr(const char *s1, const char *s2)finds the substring of s1 that matches s2. It returns the address of the substring ins1 if found and a null pointer otherwise. char *strtok(char *s1, const char *delim)103
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Imagecraft c compiler and development environment for the atmel avr

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