The strstr function returns a pointer to the first occurrence of string s2 in string s1. The function returns the null pointer if the string is not found. The process of matching does not include the terminating null-characters(‘\0’). Syntax of strstr in C: char *strstr(const char *s1, const char *s2); Parameters: s1 − This […]
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The memcmp function compares the first n characters of the object pointed to by s1 to the first n characters of the object pointed to by s2. If the n characters of s1 and s2 are the same then it returns 0, otherwise, it returns a non-zero value. Syntax of memcmp in C: int memcmp(const
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The strcmp function compares the string pointed to by s1 to the string pointed to by s2. If two strings are the same then strcmp() returns 0, otherwise, it returns a non-zero value. Syntax strcmp in C: int strcmp(const char *s1, const char *s2); Parameters: s1— pointer to the string1. s2— pointer to the string2
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The strcat function appends a copy of the string to the end of the destination string (including the terminating null character). The initial character of the source string overwrites the null character at the end of the destination string. Note: If copying takes place between objects that overlap, the behavior is undefined. Syntax strcat in
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The memset function copies the value of c (converted to an unsigned char) into each of the first n characters of the object pointed to by s. Syntax memcpy in C: void *memset(void *s, int c, size_t n); Parameters: s— pointer to the destination object. c— Value to be filled. n — Number of bytes
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This article is mainly focused on the most repeatedly asked and the latest updated 8051 Microcontroller Interview Questions and Answers. If you are looking for “8051 Microcontroller Interview Questions ”, then you are at the right place. Here I have tried to create some collection of “8051 Microcontroller Interview Questions with answers” that might ask
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